Nil, A. K., & Arifin, A. G. (2021). The four rightly guided Caliphs: Abū Bakr, ‘Umar Ibn al-Khaṭṭāb, ‘Uthmān Ibn ‘Affān and ‘Ali Ibn Abī Ṭālib. International Islamic School Malaysia ( IISM).
استشهاد بنمط شيكاغوNil, Abdul Karnaen, and Abdul Gafur Arifin. The Four Rightly Guided Caliphs: Abū Bakr, ‘Umar Ibn Al-Khaṭṭāb, ‘Uthmān Ibn ‘Affān and ‘Ali Ibn Abī Ṭālib. International Islamic School Malaysia ( IISM), 2021.
MLA استشهادNil, Abdul Karnaen, and Abdul Gafur Arifin. The Four Rightly Guided Caliphs: Abū Bakr, ‘Umar Ibn Al-Khaṭṭāb, ‘Uthmān Ibn ‘Affān and ‘Ali Ibn Abī Ṭālib. International Islamic School Malaysia ( IISM), 2021.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.