Villalobos, L., Arce, J., & WingChing-Jones, R. (2013). Dry matter yield and production costs in grazing systems on dairy farms of Costa Rica.
استشهاد بنمط شيكاغوVillalobos, Luis, Jose Arce, و Rodolfo WingChing-Jones. Dry Matter Yield and Production Costs in Grazing Systems On Dairy Farms of Costa Rica. 2013.
MLA استشهادVillalobos, Luis, Jose Arce, و Rodolfo WingChing-Jones. Dry Matter Yield and Production Costs in Grazing Systems On Dairy Farms of Costa Rica. 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.