APA Format
26756. (2000). Pesan-pesan moral: Umar bin Khaththab. jakarta : Setia Kawan
MLA Format
26756. Pesan-pesan moral: Umar bin Khaththab. jakarta : Setia Kawan, 2000
Chicago Format
26756. Pesan-pesan moral: Umar bin Khaththab. jakarta : Setia Kawan, 2000
Australian/Harvard Format
26756. 2000. Pesan-pesan moral: Umar bin Khaththab. Setia Kawan jakarta