Cowley, R. W. (1983). The traditional interpretation of the Apocalypse of St John in the Ethiopian Orthodox Church. Oriental publications.
Citazione stile Chigago Style (17a edizione)Cowley, Roger W. "The Traditional Interpretation of the Apocalypse of St John in the Ethiopian Orthodox Church." Oriental Publications 1983.
Citatione MLA (9a ed.)Cowley, Roger W. "The Traditional Interpretation of the Apocalypse of St John in the Ethiopian Orthodox Church." Oriental Publications, 1983.
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