"Countries Compared by Lifestyle > Confidence in social institutions > Trade unions. International Statistics at NationMaster.com", World Values Survey. Aggregates compiled by NationMaster. Retrieved from http://www.nationmaster.com/country-info/group-stats/Group-of-7-countries-(G7)/Lifestyle/Confidence-in-social-institutions/Trade-unions
"Countries Compared by Lifestyle > Confidence in social institutions > Trade unions. International Statistics at NationMaster.com, World Values Survey. Aggregates compiled by NationMaster." 1990. <http://www.nationmaster.com/country-info/group-stats/Group-of-7-countries-(G7)/Lifestyle/Confidence-in-social-institutions/Trade-unions>.
'Countries Compared by Lifestyle > Confidence in social institutions > Trade unions. International Statistics at NationMaster.com, World Values Survey. Aggregates compiled by NationMaster.', <http://www.nationmaster.com/country-info/group-stats/Group-of-7-countries-(G7)/Lifestyle/Confidence-in-social-institutions/Trade-unions> [assessed 1990]
"Countries Compared by Lifestyle > Confidence in social institutions > Trade unions. International Statistics at NationMaster.com", World Values Survey. Aggregates compiled by NationMaster. [Internet]. 1990. Avaliable from: <http://www.nationmaster.com/country-info/group-stats/Group-of-7-countries-(G7)/Lifestyle/Confidence-in-social-institutions/Trade-unions>.
"Countries Compared by Lifestyle > Confidence in social institutions > Trade unions. International Statistics at NationMaster.com", World Values Survey. Aggregates compiled by NationMaster. Avaliable at: nationmaster.com. Assessed 1990.
"Countries Compared by Lifestyle > Confidence in social institutions > Trade unions. International Statistics at NationMaster.com, World Values Survey. Aggregates compiled by NationMaster.," http://www.nationmaster.com/country-info/group-stats/Group-of-7-countries-(G7)/Lifestyle/Confidence-in-social-institutions/Trade-unions (assessed 1990)
"Countries Compared by Lifestyle > Confidence in social institutions > Trade unions. International Statistics at NationMaster.com", World Values Survey. Aggregates compiled by NationMaster., http://www.nationmaster.com/country-info/group-stats/Group-of-7-countries-(G7)/Lifestyle/Confidence-in-social-institutions/Trade-unions (last visited 1990)
"Countries Compared by Lifestyle > Confidence in social institutions > Trade unions. International Statistics at NationMaster.com", World Values Survey. Aggregates compiled by NationMaster., http://www.nationmaster.com/country-info/group-stats/Group-of-7-countries-(G7)/Lifestyle/Confidence-in-social-institutions/Trade-unions (as of 1990)
