APA aipamena

Breimyer,Harold F. (1977). Farm policy: 13 essays. Lowa state University.

Chicago Style aipamena

Breimyer,Harold F. Farm Policy: 13 Essays. Lowa: Lowa state University, 1977.

MLA aipamena

Breimyer,Harold F. Farm Policy: 13 Essays. Lowa state University, 1977.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.