Sosa Puente, I. B., Leyton Barrientos, L. V., Corea Guillén, E. E., & Elizondo Salazar, J. A. (2010). Correlation Between Milk and Blood Urea Nitrogen in High and Low Yielding Dairy Cows.
استشهاد بنمط شيكاغوSosa Puente, Irene Beatriz, Ludwing Vladimir Leyton Barrientos, Elmer Edgardo Corea Guillén, و Jorge Alberto Elizondo Salazar. Correlation Between Milk and Blood Urea Nitrogen in High and Low Yielding Dairy Cows. 2010.
MLA استشهادSosa Puente, Irene Beatriz, Ludwing Vladimir Leyton Barrientos, Elmer Edgardo Corea Guillén, و Jorge Alberto Elizondo Salazar. Correlation Between Milk and Blood Urea Nitrogen in High and Low Yielding Dairy Cows. 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.