APA (7th ed.) Citation

Tan, O. S. (2007). Problem-based learning in eLearning breakthrough. Thomso.

Chicago Style (17th ed.) Citation

Tan, Oon Seng. Problem-based Learning in ELearning Breakthrough. Singapore: Thomso, 2007.

MLA (9th ed.) Citation

Tan, Oon Seng. Problem-based Learning in ELearning Breakthrough. Thomso, 2007.