Dyfyniad APA

Whitley, R., & Richard Whitley. (2000). The. Oxford [England],New York: Oxford University Press.

Dyfyniad Arddull Chicago

Whitley, Richard, và Richard Whitley. The. Oxford [England],New York: Oxford University Press, 2000.

Dyfyniad MLA

Whitley, Richard, và Richard Whitley. The. Oxford [England],New York: Oxford University Press, 2000.

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