Sas, P. M. (2021). Čumni časy: Epidemiï na Volyni i Kyïvščyni v druhij polovyni XVI - peršij polovyni XVII st. = Plague times : epidemics in Volhynia and Kyiv region in the second half of the XVI-first half of the XVII century. Instytut istoriï Ukraïny NAN Ukraïny.
Chicago Style (17th ed.) CitationSas, Petro Mychajlovyč. Čumni časy: Epidemiï Na Volyni I Kyïvščyni V Druhij Polovyni XVI - Peršij Polovyni XVII St. = Plague Times : Epidemics in Volhynia and Kyiv Region in the Second Half of the XVI-first Half of the XVII Century. Kyïv: Instytut istoriï Ukraïny NAN Ukraïny, 2021.
MLA (9th ed.) CitationSas, Petro Mychajlovyč. Čumni časy: Epidemiï Na Volyni I Kyïvščyni V Druhij Polovyni XVI - Peršij Polovyni XVII St. = Plague Times : Epidemics in Volhynia and Kyiv Region in the Second Half of the XVI-first Half of the XVII Century. Instytut istoriï Ukraïny NAN Ukraïny, 2021.