Dyfyniad APA

Johnson ,Spencer. (1999). Who Moved My Cheese. Vermilion.

Dyfyniad Arddull Chicago

Johnson ,Spencer. Who Moved My Cheese. London: Vermilion, 1999.

Dyfyniad MLA

Johnson ,Spencer. Who Moved My Cheese. Vermilion, 1999.

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