Gaya APA

Oei, T, P. (2011). A Group Cognitive Behaviour Therapy Program For Anxiety, Fear, and Phobias (ed. 4). Depok: LPSP3 UI.

Gaya MLA

Oei, Tian, Po. "A Group Cognitive Behaviour Therapy Program For Anxiety, Fear, and Phobias". ed. 4 Depok: LPSP3 UI, 2011. Text.