Gaya APA

Mustofa, A. ([s.a.]). Tahajud Siang Hari Dhuhur Malam Hari . Surabaya: Padma Press.

Gaya MLA

Mustofa, Agus. "Tahajud Siang Hari Dhuhur Malam Hari". Surabaya: Padma Press, [s.a.]. Textbook.