Lewis, A. R. 1., ʿĪsā, A. M., & Ghurbāl, M. S. (1960). al-Quwá al-baḥrīyah wa-al-tijārīyah fī ḥawḍ al-Baḥr al-Mutawassiṭ (500-1100 M). al-Qāhirah: Maktabat al-Nahḍah al-Miṣrīyah.
Chicago Style CitationLewis, Archibald R. 1914-1990,, Aḥmad Muḥammad ʿĪsā, and Muḥammad Shafīq Ghurbāl. Al-Quwá Al-baḥrīyah Wa-al-tijārīyah Fī ḥawḍ Al-Baḥr Al-Mutawassiṭ (500-1100 M). al-Qāhirah: Maktabat al-Nahḍah al-Miṣrīyah, 1960.
MLA CitationLewis, Archibald R. 1914-1990,, Aḥmad Muḥammad ʿĪsā, and Muḥammad Shafīq Ghurbāl. Al-Quwá Al-baḥrīyah Wa-al-tijārīyah Fī ḥawḍ Al-Baḥr Al-Mutawassiṭ (500-1100 M). al-Qāhirah: Maktabat al-Nahḍah al-Miṣrīyah, 1960.
