Poolse parlementsverkiezingen 1972 (Dutch Wikipedia)
Analysis of information sources in references of the Wikipedia article "Poolse parlementsverkiezingen 1972" in Dutch language version.
ipu.org
archive.ipu.org
- IPU Parline, Parliamentary elections, Poland 1972
, geraadpleegd 14 december 2022 - IPU Parline, Parliamentary elections, Poland 1969 , geraadpleegd 14 december 2022
