Dyfyniad APA

Kneeland, S. (2005). Solving problems. Viva Books.

Dyfyniad Arddull Chicago

Kneeland, Steve. Solving Problems. New Delhi: Viva Books, 2005.

Dyfyniad MLA

Kneeland, Steve. Solving Problems. Viva Books, 2005.

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