Polonsky, A. (2020). Leopold Kozłowski: 26 November 1918-12 March 2019. Polin.
Chicagoスタイル(17版)引用形式Polonsky, Antony. "Leopold Kozłowski: 26 November 1918-12 March 2019." Polin 2020.
MLA(8版)引用形式Polonsky, Antony. "Leopold Kozłowski: 26 November 1918-12 March 2019." Polin, 2020.
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