E S E Hafez. (1987). reproduction in farm animals (4th.). Lea And Febiger.
Chicago Edition CitationE S E Hafez. Reproduction in Farm Animals. 4th. Lea And Febiger, 1987.
Cita MLAE S E Hafez. Reproduction in Farm Animals. 4th. Lea And Febiger, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.