Não informado. (1960). Publications from the Department of Botany. University of Turku.
Chicago-referens (17:e uppl.)Não informado. Publications from the Department of Botany. Turku, Finlandia: University of Turku, 1960.
MLA-referens (8:e uppl.)Não informado. Publications from the Department of Botany. University of Turku, 1960.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.