Não informado. (1960). Publications from the Department of Botany. University of Turku.
Chicago-viite (17. p.)Não informado. Publications from the Department of Botany. Turku, Finlandia: University of Turku, 1960.
MLA-viite (8. p.)Não informado. Publications from the Department of Botany. University of Turku, 1960.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.