APA aipamena

(2001). Cactus (Opuntia spp.) as forage. Rome, Italy: FAO.

Chicago Style aipamena

Cactus (Opuntia Spp.) As Forage. Rome, Italy: FAO, 2001.

MLA aipamena

Cactus (Opuntia Spp.) As Forage. Rome, Italy: FAO, 2001.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.