Não informado. (1978). Publications fron the herbarium. University of Uppsala, Institute of Systematic Botany.
Chicago-viite (17. p.)Não informado. Publications Fron the Herbarium. Uppsala, Suecia: University of Uppsala, Institute of Systematic Botany, 1978.
MLA-viite (8. p.)Não informado. Publications Fron the Herbarium. University of Uppsala, Institute of Systematic Botany, 1978.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.