Dyfyniad APA

Peel, M., & Lamb, J. (1992). Presentation in a week. Hodder & Stoughton.

Dyfyniad Arddull Chicago

Peel, Malcolm, and Jon Lamb. Presentation in a Week. London: Hodder & Stoughton, 1992.

Dyfyniad MLA

Peel, Malcolm, and Jon Lamb. Presentation in a Week. Hodder & Stoughton, 1992.

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