APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (9th ed.) Atıf

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