Gaya APA

Khalid, K, M. et al (2014). 'Umar ibn Al-Khaththab: Khalifah Penegak Keadilan (ed. 1). Bandung: Penerbit Mizania.

Gaya MLA

Khalid, Khalid, Muhammad. et al. "'Umar ibn Al-Khaththab: Khalifah Penegak Keadilan". ed. 1 Bandung: Penerbit Mizania, 2014. Text.