Gaya APA
Al-Qasim, A, M. (2011).
Kunci-Kunci Surga:40 tips meraih kebahagiaan dunia akhirat (1).
Riyadh:
International Publishing House.
Gaya MLA
Al-Qasim, Abdul, Muhsin.
"Kunci-Kunci Surga:40 tips meraih kebahagiaan dunia akhirat".
1
Riyadh:
International Publishing House,
2011.
Text.