APA
Commission of the European Communities, . (1986). World Comparison of Purchasing Power and Real Product for 1980. Phase IV of the International Comparison Project. Part One: Summary Results for 60 Countries. New York: .
Chicago
Commission of the European Communities, . 1986. World Comparison of Purchasing Power and Real Product for 1980. Phase IV of the International Comparison Project. Part One: Summary Results for 60 Countries. New York: .
Harvard
Commission of the European Communities, . (1986). World Comparison of Purchasing Power and Real Product for 1980. Phase IV of the International Comparison Project. Part One: Summary Results for 60 Countries. New York: .
MLA
Commission of the European Communities, . World Comparison of Purchasing Power and Real Product for 1980. Phase IV of the International Comparison Project. Part One: Summary Results for 60 Countries. New York: . 1986.
