Bubenzer, O., Bolten, A., & Darius, F. (2007). Atlas of cultural and environmental change in arid Africa. Köln: Heinrich-Barth-Institut.
استشهاد بنمط شيكاغوBubenzer, Olaf, Andreas Bolten, و Frank Darius. Atlas of Cultural and Environmental Change in Arid Africa. Köln: Heinrich-Barth-Institut, 2007.
MLA استشهادBubenzer, Olaf, Andreas Bolten, و Frank Darius. Atlas of Cultural and Environmental Change in Arid Africa. Köln: Heinrich-Barth-Institut, 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.