Dyfyniad APA

John Gray. Men are from mars and women are from venus.

Dyfyniad Arddull Chicago

John Gray. Men Are from Mars and Women Are from Venus. 2016.0.

Dyfyniad MLA

John Gray. Men Are from Mars and Women Are from Venus.

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