Não informado. Northwestern Druggist. Iowa Pharmaceutical Association.
Chicago-referens (17:e uppl.)Não informado. Northwestern Druggist. Minneapolis, Minn: Iowa Pharmaceutical Association.
MLA-referens (8:e uppl.)Não informado. Northwestern Druggist. Iowa Pharmaceutical Association.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.