Dyfyniad APA

Boud, D., & Feletti, G. (1997). The Challenge of problem based learning (2nd ed.). Kogan Page.

Dyfyniad Arddull Chicago

Boud, David, and Grahame Feletti. The Challenge of Problem Based Learning. 2nd ed. London: Kogan Page, 1997.

Dyfyniad MLA

Boud, David, and Grahame Feletti. The Challenge of Problem Based Learning. 2nd ed. Kogan Page, 1997.

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