Cita APA (7th ed.)

Barrows, H. S., & Tamblyn, R. M. (1980). Problem-based learning: An approach to medical education. Springer Pub. Co..

Cita Chicago (17th ed.)

Barrows, Howard S., i Robyn M. Tamblyn. Problem-based Learning: An Approach to Medical Education. New York: Springer Pub. Co., 1980.

Cita MLA (9th ed.)

Barrows, Howard S., i Robyn M. Tamblyn. Problem-based Learning: An Approach to Medical Education. Springer Pub. Co., 1980.