Zúñiga, C., Vega, S., & Monge, R. (1984). The importance of pesticides in Costa Rica during 1980-1981.
استشهاد بنمط شيكاغوZúñiga, Claudia, Sileny Vega, و Rodrigo Monge. The Importance of Pesticides in Costa Rica During 1980-1981. 1984.
MLA استشهادZúñiga, Claudia, Sileny Vega, و Rodrigo Monge. The Importance of Pesticides in Costa Rica During 1980-1981. 1984.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.