APA Style

Chusfani, P, D., Wilson, J. (2007). Situs Masalah (The Worry Website) (Cetakan Pertama (c.1)). Jakarta: PT Gramedia Pustaka Utama.

MLA Style

Chusfani, Poppy, Damayanti., Wilson, Jacqueline. "Situs Masalah (The Worry Website)". Cetakan Pertama (c.1) Jakarta: PT Gramedia Pustaka Utama, 2007. Text.