APA (7 वां संस्करण) प्रशस्ति पत्र

Sallaabee, A. M. M. (2010). The biography of Umar ibn al-Khattaab (1st edition.). Darussalam.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Sallaabee, Ali Muhammad Muhammad. The Biography of Umar Ibn Al-Khattaab. 1st edition. Riyadh: Darussalam, 2010.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Sallaabee, Ali Muhammad Muhammad. The Biography of Umar Ibn Al-Khattaab. 1st edition. Darussalam, 2010.