APA aipamena

Henning Steinfeld. (1997). Livestock - Environment Interactions: Issues and Options. UK: FAO.

Chicago Style aipamena

Henning Steinfeld. Livestock - Environment Interactions: Issues and Options. UK: FAO, 1997.

MLA aipamena

Henning Steinfeld. Livestock - Environment Interactions: Issues and Options. UK: FAO, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.