Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (9ú heag.)

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

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.