Cita APA (7th ed.)

ebrary, Inc, Savin-Baden, M., & Wilkie, K. (2006). Problem-based learning online. Open University Press.

Cita Chicago (17th ed.)

ebrary, Inc, Maggi Savin-Baden, i Kay Wilkie. Problem-based Learning Online. Maidenhead: Open University Press, 2006.

Cita MLA (9th ed.)

ebrary, Inc, et al. Problem-based Learning Online. Open University Press, 2006.