Não informado. (2003). American perfumer and essential oil review. Allured Publishing.
Chicago-referens (17:e uppl.)Não informado. American Perfumer and Essential Oil Review. Pontiac, Ill: Allured Publishing, 2003.
MLA-referens (8:e uppl.)Não informado. American Perfumer and Essential Oil Review. Allured Publishing, 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.