Sunnerheim-Sjöberg, K. (1991). Chemical studies of secondary metabolites in Betula and Pinus: With emphasis on defence against mammalian herbivores. Swedish University of Agricultural Sciences, Dept. of Chemistry.
Chicago-referens (17:e uppl.)Sunnerheim-Sjöberg, Kerstin. Chemical Studies of Secondary Metabolites in Betula and Pinus: With Emphasis on Defence Against Mammalian Herbivores. Uppsala: Swedish University of Agricultural Sciences, Dept. of Chemistry, 1991.
MLA-referens (8:e uppl.)Sunnerheim-Sjöberg, Kerstin. Chemical Studies of Secondary Metabolites in Betula and Pinus: With Emphasis on Defence Against Mammalian Herbivores. Swedish University of Agricultural Sciences, Dept. of Chemistry, 1991.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.