Dyfyniad APA

Lewis, G. (1999). Successful creativity in a week. Hodder & Stoughton.

Dyfyniad Arddull Chicago

Lewis, Gareth. Successful Creativity in a Week. London: Hodder & Stoughton, 1999.

Dyfyniad MLA

Lewis, Gareth. Successful Creativity in a Week. Hodder & Stoughton, 1999.

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