MLA Style
Ang, Aishworo. Janji Langit. Yogyakarta: Hikam Pustaka, 2016. Online.
Chicago Style
Ang, Aishworo. Janji Langit. Yogyakarta: Hikam Pustaka, 2016.
Turabian Style
Ang, Aishworo, Janji Langit. Yogyakarta: Hikam Pustaka, 2016.
APA Style
Ang, Aishworo. (2016). Janji Langit. Yogyakarta: Hikam Pustaka.
Harvard Style
Ang, Aishworo, 2016, Janji Langit, Hikam Pustaka, Yogyakarta.
IEEE Style
Aishworo Ang. Janji Langit. Yogyakarta: Hikam Pustaka, 2016.