APA aipamena

Cooke, G. W. (1972). Fertilizing for maximum yield. New York: Hafner.

Chicago Style aipamena

Cooke, G. W. Fertilizing for Maximum Yield. New York: Hafner, 1972.

MLA aipamena

Cooke, G. W. Fertilizing for Maximum Yield. New York: Hafner, 1972.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.