APA aipamena

Bierstedt, R., & Samuelson, P. A. (1964). Modern Social Science. New York: McGraw-Hill Book Co..

Chicago Style aipamena

Bierstedt, Robert., và Paul A. Samuelson. Modern Social Science. New York: McGraw-Hill Book Co., 1964.

MLA aipamena

Bierstedt, Robert., và Paul A. Samuelson. Modern Social Science. New York: McGraw-Hill Book Co., 1964.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.