APA Style

Blyton, E., Setiadi, A. (2012). Good old Secret seven : gara-gara teleskop (1st). Jakarta: Gramedia Pustaka Utama.

MLA Style

Blyton, Enid., Setiadi, Agus. "Good old Secret seven : gara-gara teleskop". 1st Jakarta: Gramedia Pustaka Utama, 2012. Text.