APA aipamena

Hopster, H. (1998). Coping strategies in dairy cows. Lelystad.

Chicago Style aipamena

Hopster, Hans. Coping Strategies in Dairy Cows. Lelystad, 1998.

MLA aipamena

Hopster, Hans. Coping Strategies in Dairy Cows. Lelystad, 1998.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.