Dyfyniad APA

Denny, R. (1995). Speak for yourself. UBS.

Dyfyniad Arddull Chicago

Denny, Richard. Speak for Yourself. UBS, 1995.

Dyfyniad MLA

Denny, Richard. Speak for Yourself. UBS, 1995.

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