Gaya APA

Pervaiz, A, ., C., K, , H. (1989). Conducting on-farm Animal Research: Procedures dan economic analysis . Canada: Agricultural Depelopment.

Gaya MLA

Pervaiz, Amir, ., C., Knipscheer, , Hendrik. "Conducting on-farm Animal Research: Procedures dan economic analysis". Canada: Agricultural Depelopment, 1989. Text.