Gaya APA

Soetjipto, H, P. et al (2009). Educational psychology : active learning edition (10 th edition). Yogyakarta: Pustaka Pelajar.

Gaya MLA

Soetjipto, Helly, Prajitno. et al. "Educational psychology : active learning edition". 10 th edition Yogyakarta: Pustaka Pelajar, 2009. Text.