W. AHMAD, W. Y. Proses Kelahiran Kerajaan Islam Madinah. Jurnal Usuluddin, [S. l.], v. 4, p. 117–126, 1996. Disponível em: http://mjs.um.edu.my/index.php/JUD/article/view/3043. Acesso em: 5 apr. 2025.