Ertekin M. Doksanaltı; İlker M. Mimiroğlu (October 2010). "Giresun/Aretias - Khalkeritis Island". Anodos. Proceedings of International Conference. "The Phenomena of Cultural Borders and Border Cultures Across the Passage of Time (From the Bronze Age to Late Antiquity)". Trnava, Slovakia: 85–101. ISBN978-80-8082-500-3. ISSN1338-5410. Retrieved 30 November 2014.
Anthony Bryer, "Greeks and Türkmens: The Pontic Exception", Dumbarton Oaks Papers, 29 (1975), p. 131. Michael Panaretos, Chronicle, ch. 40; Greek text in Original-Fragmente, Chroniken, Inschiften und anderes Materiale zur Geschichte des Kaiserthums Trapezunt, part 2; in Abhandlungen der historischen Classe der königlich bayerischen Akademie4 (1844), abth. 1, p. 33; German translation, p. 61f
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Ertekin M. Doksanaltı; İlker M. Mimiroğlu (October 2010). "Giresun/Aretias - Khalkeritis Island". Anodos. Proceedings of International Conference. "The Phenomena of Cultural Borders and Border Cultures Across the Passage of Time (From the Bronze Age to Late Antiquity)". Trnava, Slovakia: 85–101. ISBN978-80-8082-500-3. ISSN1338-5410. Retrieved 30 November 2014.