Dyfyniad APA

Johnson, S. (2002). Who moved my cheese? Elex Media Komputindo.

Dyfyniad Arddull Chicago

Johnson, Spencer. Who Moved My Cheese? Elex Media Komputindo, 2002.

Dyfyniad MLA

Johnson, Spencer. Who Moved My Cheese? Elex Media Komputindo, 2002.

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