Não informado. (1983). Bulletin of the Polish Academy of Sciences. Polish Academy of Sciences.
Chicago-viite (17. p.)Não informado. Bulletin of the Polish Academy of Sciences. Warsaw: Polish Academy of Sciences, 1983.
MLA-viite (8. p.)Não informado. Bulletin of the Polish Academy of Sciences. Polish Academy of Sciences, 1983.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.