Não informado. (2001). Annual Report on Essential Oils Aromatic Chemicals and Related Materials. Schimmel.
Chicago-referens (17:e uppl.)Não informado. Annual Report on Essential Oils Aromatic Chemicals and Related Materials. New York: Schimmel, 2001.
MLA-referens (8:e uppl.)Não informado. Annual Report on Essential Oils Aromatic Chemicals and Related Materials. Schimmel, 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.