Calderón, R. A., & Sánchez, L. A. (2011). Diagnosis of bee diseases in africanized honey bees in Costa Rica: Prevalence and distribution from September to November 2007.
استشهاد بنمط شيكاغوCalderón, Rafael A., و Luis A. Sánchez. Diagnosis of Bee Diseases in Africanized Honey Bees in Costa Rica: Prevalence and Distribution From September to November 2007. 2011.
MLA استشهادCalderón, Rafael A., و Luis A. Sánchez. Diagnosis of Bee Diseases in Africanized Honey Bees in Costa Rica: Prevalence and Distribution From September to November 2007. 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.