BETHMANN, E. W. Bridge to Islam: A study of the religious forces of Islam and Christianity in the Near East. Southern Publising Association.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)BETHMANN, Erich W. Bridge to Islam: A Study of the Religious Forces of Islam and Christianity in the Near East. Southern Publising Association.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)BETHMANN, Erich W. Bridge to Islam: A Study of the Religious Forces of Islam and Christianity in the Near East. Southern Publising Association.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.