Goodall, J., Hudson, G. E., & Maynard, T. (2009). Hope for animals and their world: How endangered species are being rescued from the brink. New York: Grand Central Pub..
Dyfyniad Arddull ChicagoGoodall, Jane, Gail E. Hudson, και Thane Maynard. Hope for Animals and Their World: How Endangered Species Are Being Rescued From the Brink. New York: Grand Central Pub., 2009.
Dyfyniad MLAGoodall, Jane, Gail E. Hudson, και Thane Maynard. Hope for Animals and Their World: How Endangered Species Are Being Rescued From the Brink. New York: Grand Central Pub., 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.