Φωτιάδης, Κ. Ε., & Σινοπίδου-Callahan, L. (1996). The ethnic and religious consciousness of the Greeks of Pontos. Thessaloniki: Aristotele University of Thessaloniki.

Φωτιάδης, Κώστας Ε., و Linda Σινοπίδου-Callahan. The Ethnic and Religious Consciousness of the Greeks of Pontos. Thessaloniki: Aristotele University of Thessaloniki, 1996.

Φωτιάδης, Κώστας Ε., و Linda Σινοπίδου-Callahan. The Ethnic and Religious Consciousness of the Greeks of Pontos. Thessaloniki: Aristotele University of Thessaloniki, 1996.