Cita APA (7th ed.)

Ee, J., & Tan, O. S. (2009). PBL made simple: Lessons for the classroom. Cengage Learning Asia Pte.

Cita Chicago (17th ed.)

Ee, Jessie, i Oon Seng Tan. PBL Made Simple: Lessons for the Classroom. Singapore: Cengage Learning Asia Pte, 2009.

Cita MLA (9th ed.)

Ee, Jessie, i Oon Seng Tan. PBL Made Simple: Lessons for the Classroom. Cengage Learning Asia Pte, 2009.