APA aipamena

Cochrane, W. W. (1969). World food problem. Scientific book agency.

Chicago Style aipamena

Cochrane, Willard W. World Food Problem. Calcutta: Scientific book agency, 1969.

MLA aipamena

Cochrane, Willard W. World Food Problem. Scientific book agency, 1969.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.