Athanassopoulou-Pennas, V., & Athanassopoulou-Pennas, V. (1991). Byzantine monetary affairs during the 8th, 9th, 10th and 11th centuries.
Čikaški stil citiranja (17. izdanje)Athanassopoulou-Pennas, V., i Vassiliki Athanassopoulou-Pennas. Byzantine Monetary Affairs During the 8th, 9th, 10th and 11th Centuries. 1991.
MLA način citiranja (9. izdanje)Athanassopoulou-Pennas, V., i Vassiliki Athanassopoulou-Pennas. Byzantine Monetary Affairs During the 8th, 9th, 10th and 11th Centuries. 1991.
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