APA (7th ed.) Citation

(2004). Challenging research in problem-based learning (1. publ.). Open Univ. Press [u.a.].

Chicago Style (17th ed.) Citation

Challenging Research in Problem-based Learning. 1. publ. Maidenhead [u.a.]: Open Univ. Press [u.a.], 2004.

MLA (9th ed.) Citation

Challenging Research in Problem-based Learning. 1. publ. Open Univ. Press [u.a.], 2004.