APA aipamena

(2003). Forages resources CD. [United State]: Iowa State Press, Ames, IA.

Chicago Style aipamena

Forages Resources CD. [United State]: Iowa State Press, Ames, IA, 2003.

MLA aipamena

Forages Resources CD. [United State]: Iowa State Press, Ames, IA, 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.