Al-Bahkli, A. M. A., & Al-Shibi, A. b. Y. (1993). International Rivalry in The Arab Gulf Area During The Period from: 1277 to 1317 H, 1861 to 1899 G. Imam Mohammad ibn Saud Islamic University, College of Social Sciences, Department of History and Civilization.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Al-Bahkli, Ali M. A., و Abdullah bin Yosif Al-Shibi. International Rivalry in The Arab Gulf Area During The Period from: 1277 to 1317 H, 1861 to 1899 G. Riyadh: Imam Mohammad ibn Saud Islamic University, College of Social Sciences, Department of History and Civilization, 1993.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Al-Bahkli, Ali M. A., و Abdullah bin Yosif Al-Shibi. International Rivalry in The Arab Gulf Area During The Period from: 1277 to 1317 H, 1861 to 1899 G. Imam Mohammad ibn Saud Islamic University, College of Social Sciences, Department of History and Civilization, 1993.