APA aipamena

Sleper, D. A. (2006). Breeding field crops. Ames, Iowa: Blackwell Pub.

Chicago Style aipamena

Sleper, David Allen. Breeding Field Crops. Ames, Iowa: Blackwell Pub, 2006.

MLA aipamena

Sleper, David Allen. Breeding Field Crops. Ames, Iowa: Blackwell Pub, 2006.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.