Não informado. (1964). Geographia Polonica. Polish Academy of Sciences, Institute of Geography and Spatial Organization.
Chicago-viite (17. p.)Não informado. Geographia Polonica. Warsaw: Polish Academy of Sciences, Institute of Geography and Spatial Organization, 1964.
MLA-viite (8. p.)Não informado. Geographia Polonica. Polish Academy of Sciences, Institute of Geography and Spatial Organization, 1964.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.