Não informado. (1956). Review of the Polish Academy of Sciences. Polish Academy of Sciences.
Chicago-viite (17. p.)Não informado. Review of the Polish Academy of Sciences. Warsaw: Polish Academy of Sciences, 1956.
MLA-viite (8. p.)Não informado. Review of the Polish Academy of Sciences. Polish Academy of Sciences, 1956.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.