Gaya APA
Natsir, M, E.
(2010).
Ashabul Kahfi : The Great Story of Faith and Humanity
.
Yogyakarta:
DIva.
Gaya MLA
Natsir, Muhammad, El.
"Ashabul Kahfi : The Great Story of Faith and Humanity".
Yogyakarta:
DIva,
2010.
Text.