Dyfyniad APA

Van Hulle, M., & Vaughan, C. (2009). The Effect of Human Development on Mammal Populations of the Punta Leona Private Wildlife Refuge, Costa Rica.

Dyfyniad Arddull Chicago

Van Hulle, Michael, y Christopher Vaughan. The Effect of Human Development On Mammal Populations of the Punta Leona Private Wildlife Refuge, Costa Rica. 2009.

Dyfyniad MLA

Van Hulle, Michael, y Christopher Vaughan. The Effect of Human Development On Mammal Populations of the Punta Leona Private Wildlife Refuge, Costa Rica. 2009.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.