Brennan, P. V., & Bunnens, G. (1996). Obsidian in the Bayburt-Erzurum Area, eastern Anatolia. Cultural interaction in the ancient Near East, 27-36.
Παραπομπή σε μορφή Chicago (17η εκδ.)Brennan, Peter V., και Guy Bunnens. "Obsidian in the Bayburt-Erzurum Area, Eastern Anatolia." Cultural Interaction in the Ancient Near East 1996: 27-36.
Παραπομπή σε μορφή MLA (8th εκδ.)Brennan, Peter V., και Guy Bunnens. "Obsidian in the Bayburt-Erzurum Area, Eastern Anatolia." Cultural Interaction in the Ancient Near East, 1996, pp. 27-36.
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