APA (7e ed.) Bronvermelding

Polish Academy of Sciences. Committee for Demographic Studies. (1975). The population of Poland. Polish Academy of Sciences, Committee for Demographic Studies.

Chicago (17e ed.) Bronvermelding

Polish Academy of Sciences. Committee for Demographic Studies. The Population of Poland. Warszawa: Polish Academy of Sciences, Committee for Demographic Studies, 1975.

MLA (9e ed.) Bronvermelding

Polish Academy of Sciences. Committee for Demographic Studies. The Population of Poland. Polish Academy of Sciences, Committee for Demographic Studies, 1975.