Dyfyniad APA
Levy, S. (2011). Once & future giants: What Ice Age extinctions tell us about the fate of earth's largest animals. Oxford University Press.
Dyfyniad Arddull Chicago
Levy, Sharon. Once & Future Giants: What Ice Age Extinctions Tell Us About the Fate of Earth's Largest Animals. Oxford ; New York: Oxford University Press, 2011.
Dyfyniad MLA
Levy, Sharon. Once & Future Giants: What Ice Age Extinctions Tell Us About the Fate of Earth's Largest Animals. Oxford University Press, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.