Mango, C. A., Ertuğ, A., Kara, G., & Güler, A. (1994). İstanbul, city of seven hills: A photographic journey through Byzantine and Ottoman monuments. İstanbul, Turkey: Ertuğ & Kocabiyik.
Chicago Stili AlıntıMango, Cyril A., Ahmet Ertuğ, Gürol Kara, and Ara Güler. İstanbul, City of Seven Hills: A Photographic Journey Through Byzantine and Ottoman Monuments. İstanbul, Turkey: Ertuğ & Kocabiyik, 1994.
MLA AlıntıMango, Cyril A., Ahmet Ertuğ, Gürol Kara, and Ara Güler. İstanbul, City of Seven Hills: A Photographic Journey Through Byzantine and Ottoman Monuments. İstanbul, Turkey: Ertuğ & Kocabiyik, 1994.
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