Ehrensvard, U., & Toll, C. (1989). On both sides of al-mandab. Stockholm: Swedish Research Institutein İstanbul.
استشهاد بنمط شيكاغوEhrensvard, Ulla, and Christopher Toll. On Both Sides of Al-mandab. Stockholm: Swedish Research Institutein İstanbul, 1989.
MLA استشهادEhrensvard, Ulla, and Christopher Toll. On Both Sides of Al-mandab. Stockholm: Swedish Research Institutein İstanbul, 1989.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.