Dyfyniad APA

Spence, G. (1995). How to argue and win everytime. Martin`s.

Dyfyniad Arddull Chicago

Spence, Gressy. How to Argue and Win Everytime. New York: Martin`s, 1995.

Dyfyniad MLA

Spence, Gressy. How to Argue and Win Everytime. Martin`s, 1995.

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