Não informado. (1951). The Alkaloids: Chemistry and pharmacology. Academic Press.
Chicago-referens (17:e uppl.)Não informado. The Alkaloids: Chemistry and Pharmacology. New York: Academic Press, 1951.
MLA-referens (8:e uppl.)Não informado. The Alkaloids: Chemistry and Pharmacology. Academic Press, 1951.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.