Gaya APA

Muhammad, Y, K., Sayyid, S, A. (2007). Mukjizat Shalat Tahajjud . Solo: Mumtaza.

Gaya MLA

Muhammad, Yusuf, Khoththor., Sayyid, Salafuddin, Abu. "Mukjizat Shalat Tahajjud". Solo: Mumtaza, 2007. Text.