Dyfyniad APA

Stanford, C. B. (2012). Planet without apes. Belknap Press of Harvard University Press.

Dyfyniad Arddull Chicago

Stanford, Craig B. Planet Without Apes. Cambridge, Mass.: Belknap Press of Harvard University Press, 2012.

Dyfyniad MLA

Stanford, Craig B. Planet Without Apes. Belknap Press of Harvard University Press, 2012.

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