APA aipamena

David M Sherman & Mary C Smith. (2009). Goat Medicine (2.). U S A.

Chicago Style aipamena

David M Sherman and Mary C Smith. Goat Medicine. 2. U S A, 2009.

MLA aipamena

David M Sherman and Mary C Smith. Goat Medicine. 2. U S A, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.