Não informado. (1964). Geographia Polonica. Polish Academy of Sciences, Institute of Geography and Spatial Organization.
Chicago-Zitierstil (17. Ausg.)Não informado. Geographia Polonica. Warsaw: Polish Academy of Sciences, Institute of Geography and Spatial Organization, 1964.
MLA-Zitierstil (8. Ausg.)Não informado. Geographia Polonica. Polish Academy of Sciences, Institute of Geography and Spatial Organization, 1964.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.