APA-Zitierstil (7. Ausg.)

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

Chicago-Zitierstil (17. Ausg.)

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

MLA-Zitierstil (9. Ausg.)

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