Van Hulle, M., & Vaughan, C. (2009). The Effect of Human Development on Mammal Populations of the Punta Leona Private Wildlife Refuge, Costa Rica.
استشهاد بنمط شيكاغوVan Hulle, Michael, و Christopher Vaughan. The Effect of Human Development On Mammal Populations of the Punta Leona Private Wildlife Refuge, Costa Rica. 2009.
MLA استشهادVan Hulle, Michael, و Christopher Vaughan. The Effect of Human Development On Mammal Populations of the Punta Leona Private Wildlife Refuge, Costa Rica. 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.