Skobelski, R. (2008). "Granica pokoju": PRL - NRD w latach 1949 - 1971.
Chicago Style (17th ed.) CitationSkobelski, Robert. "Granica Pokoju": PRL - NRD W Latach 1949 - 1971. 2008.
MLA (9th ed.) CitationSkobelski, Robert. "Granica Pokoju": PRL - NRD W Latach 1949 - 1971. 2008.
Warning: These citations may not always be 100% accurate.