Dyfyniad APA
MacNeilage, P. F. (2008). The origin of speech. Oxford University Press.
Dyfyniad Arddull Chicago
MacNeilage, Peter F. The Origin of Speech. Oxford ; New York: Oxford University Press, 2008.
Dyfyniad MLA
MacNeilage, Peter F. The Origin of Speech. Oxford University Press, 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.