Coleen, J., Heinrichs, A. J., Kehoe, S., & Elizondo Salazar, J. A. (2007). Weaning calves earlier saves money.
استشهاد بنمط شيكاغوColeen, Jones, Arlyn Jud Heinrichs, Sylvia Kehoe, و Jorge Alberto Elizondo Salazar. Weaning Calves Earlier Saves Money. 2007.
MLA استشهادColeen, Jones, Arlyn Jud Heinrichs, Sylvia Kehoe, و Jorge Alberto Elizondo Salazar. Weaning Calves Earlier Saves Money. 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.