STUDENSKI, P. (1958). Income of nations. University Press.
Chicago Style (17th ed.) ZitazioaSTUDENSKI, Path. Income of Nations. New York, New York: University Press, 1958.
MLA (9th ed.) ZitazioaSTUDENSKI, Path. Income of Nations. University Press, 1958.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.