APA aipamena

Clark, J. (1925). America and world peace. New York: Holt and Company.

Chicago Style aipamena

Clark, John. America and World Peace. New York: Holt and Company, 1925.

MLA aipamena

Clark, John. America and World Peace. New York: Holt and Company, 1925.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.