Παραπομπή σε μορφή APA (7η εκδ.)

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.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Kravis, Irving B., Alan W. Heston, και 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.

Παραπομπή σε μορφή MLA (9th εκδ.)

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.