Polish Academy of Sciences. Committee for Demographic Studies. (1975). The population of Poland. Polish Academy of Sciences, Committee for Demographic Studies.
Chicago-Zitierstil (17. Ausg.)Polish Academy of Sciences. Committee for Demographic Studies. The Population of Poland. Warszawa: Polish Academy of Sciences, Committee for Demographic Studies, 1975.
MLA-Zitierstil (9. Ausg.)Polish Academy of Sciences. Committee for Demographic Studies. The Population of Poland. Polish Academy of Sciences, Committee for Demographic Studies, 1975.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.