Gaya APA

Y., R., P., T. (1980). Digestive Physiology and Metabolism In ruminants . Westport.Connecticut: Avi Publishing Company Inc.

Gaya MLA

Y., Ruckebusch., P., Thivend. "Digestive Physiology and Metabolism In ruminants". Westport.Connecticut: Avi Publishing Company Inc, 1980. Text.