Long, D. E., & Koch, C. (1997). Gulf security in the twenty-first century: Y David E. Long , Christian Koch. Emirates Center for Strategic Studies and Research ; Distributed by British Academic Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Long, David E., و Christian Koch. Gulf Security in the Twenty-first Century: Y David E. Long , Christian Koch. Abu Dhabi, United Arab Emirates : London ; New York, NY: Emirates Center for Strategic Studies and Research ; Distributed by British Academic Press, 1997.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Long, David E., و Christian Koch. Gulf Security in the Twenty-first Century: Y David E. Long , Christian Koch. Emirates Center for Strategic Studies and Research ; Distributed by British Academic Press, 1997.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.