Gaya APA
At-Tuwajiri, S, M, B, I.
(2003).
Pilar-pilar Agama Islam
.
Jakarta:
Pustaka Azzam.
Gaya MLA
At-Tuwajiri, Syaikh, Muhammad, Bin, Ibrahim.
"Pilar-pilar Agama Islam".
Jakarta:
Pustaka Azzam,
2003.
Text.