Klafkowski, A. (1972). The Polish-German frontier after World War II. Poznań.
Чикаго маягийн жагсаалтKlafkowski, Alfons. The Polish-German Frontier After World War II. М: Poznań, 1972.
MLA ишлэлKlafkowski, Alfons. The Polish-German Frontier After World War II. Poznań, 1972.
Warning: These citations may not always be 100% accurate.