Gaya APA

Doyle, S., A., C., Sutrisno, I., ,., A., A. (2016). The valley of Fear . Yogyakarta: Penerbit Indoliterasi.

Gaya MLA

Doyle, S., A., C., Sutrisno, I., ,., A., A.. The valley of Fear. Yogyakarta: Penerbit Indoliterasi, 2016. Text.