Penkalla, A. (1990). The "Przytk incidents" of 9 march 1936 from archival documents. Polin.
Chicago-Zitierstil (17. Ausg.)Penkalla, Adam. "The "Przytk Incidents" of 9 March 1936 from Archival Documents." Polin 1990.
MLA-Zitierstil (8. Ausg.)Penkalla, Adam. "The "Przytk Incidents" of 9 March 1936 from Archival Documents." Polin, 1990.
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