APA (7e ed.) Bronvermelding

Não informado. (1964). Geographia Polonica. Polish Academy of Sciences, Institute of Geography and Spatial Organization.

Chicago (17e ed.) Bronvermelding

Não informado. Geographia Polonica. Warsaw: Polish Academy of Sciences, Institute of Geography and Spatial Organization, 1964.

MLA (8e ed.) Bronvermelding

Não informado. Geographia Polonica. Polish Academy of Sciences, Institute of Geography and Spatial Organization, 1964.

Let op: Deze citaties zijn niet altijd 100% accuraat.