Dyfyniad APA

Ellis Albert. (1997). A Guide to Rational Living (3rd.). Wismir Book.

Dyfyniad Arddull Chicago

Ellis Albert. A Guide to Rational Living. 3rd. USA: Wismir Book, 1997.

Dyfyniad MLA

Ellis Albert. A Guide to Rational Living. 3rd. Wismir Book, 1997.

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