Ostapchuk, V. (1991). The Ottoman Black Sea frontier and the relations of the Porte with the Polish-Lithuanian Commonwealth and Muscovy, 1622 - 1628. UMI.
Chicago Style (17th ed.) CitationOstapchuk, Victor. The Ottoman Black Sea Frontier and the Relations of the Porte with the Polish-Lithuanian Commonwealth and Muscovy, 1622 - 1628. Ann Arbor, Mich: UMI, 1991.
MLA (9th ed.) CitationOstapchuk, Victor. The Ottoman Black Sea Frontier and the Relations of the Porte with the Polish-Lithuanian Commonwealth and Muscovy, 1622 - 1628. UMI, 1991.
Warning: These citations may not always be 100% accurate.