Guerra, Á. G., Hendrick, S., & Barth, A. D. (2013). Increase in average testis size of Canadian beef bulls. Canadian Veterinary Medical Association.
استشهاد بنمط شيكاغوGuerra, Álvaro García, Steve Hendrick, و Albert D. Barth. Increase in Average Testis Size of Canadian Beef Bulls. Canadian Veterinary Medical Association, 2013.
MLA استشهادGuerra, Álvaro García, Steve Hendrick, و Albert D. Barth. Increase in Average Testis Size of Canadian Beef Bulls. Canadian Veterinary Medical Association, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.