Citazione Stile APA (7a Edizione)

Kravis, I. B., Heston, A. W., & Summers, R. (1982). World product and income: International comparisons of real gross product. Published for the World Bank [by] the Johns Hopkins University Press.

Citazione stile Chigago Style (17a edizione)

Kravis, Irving B., Alan W. Heston, e Robert Summers. World Product and Income: International Comparisons of Real Gross Product. Baltimore: Published for the World Bank [by] the Johns Hopkins University Press, 1982.

Citatione MLA (9a ed.)

Kravis, Irving B., et al. World Product and Income: International Comparisons of Real Gross Product. Published for the World Bank [by] the Johns Hopkins University Press, 1982.