Gaya APA

az-Zahrani, Y., Mujtahid, U. (2012). 40 kiat mudah masuk surga (Cet. 1). Solo: PQS Publising.

Gaya MLA

az-Zahrani, Yahya., Mujtahid, Umar. "40 kiat mudah masuk surga". Cet. 1 Solo: PQS Publising, 2012. Text.