Dyfyniad APA

Oliver, D. (2011). How to negotiate effectively (3rd ed.). Kogan Page.

Dyfyniad Arddull Chicago

Oliver, David. How to Negotiate Effectively. 3rd ed. London ; Philadelphia: Kogan Page, 2011.

Dyfyniad MLA

Oliver, David. How to Negotiate Effectively. 3rd ed. Kogan Page, 2011.

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