Não informado. (1964). Geographia Polonica. Polish Academy of Sciences, Institute of Geography and Spatial Organization.
Citace podle Chicago (17th ed.)Não informado. Geographia Polonica. Warsaw: Polish Academy of Sciences, Institute of Geography and Spatial Organization, 1964.
Citace podle MLA (8th ed.)Não informado. Geographia Polonica. Polish Academy of Sciences, Institute of Geography and Spatial Organization, 1964.
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