Dyfyniad APA

MACKENZIE, A. (1989). Time For success: Agoal getter'strategy. Mc Graw Hill inc.

Dyfyniad Arddull Chicago

MACKENZIE, Alec. Time For Success: Agoal Getter'strategy. New York: Mc Graw Hill inc, 1989.

Dyfyniad MLA

MACKENZIE, Alec. Time For Success: Agoal Getter'strategy. Mc Graw Hill inc, 1989.

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