Soetjipto, H. P., Soetjipto, S. M., & Woolfolk, A. (2009). Educational Psychology: Active Learning Edition. Pustaka Pelajar.
Chicago Style (17th ed.) CitationSoetjipto, Helly Prajitno, Sri Mulyantini Soetjipto, and Anita Woolfolk. Educational Psychology: Active Learning Edition. Pustaka Pelajar, 2009.
MLA (8th ed.) CitationSoetjipto, Helly Prajitno, et al. Educational Psychology: Active Learning Edition. Pustaka Pelajar, 2009.
Warning: These citations may not always be 100% accurate.