Não informado. (1859). Chemist and Druggist. Pharmaceutical Society of Northern Ireland.
Chicago-Zitierstil (17. Ausg.)Não informado. Chemist and Druggist. Kent, Inglaterra: Pharmaceutical Society of Northern Ireland, 1859.
MLA-Zitierstil (8. Ausg.)Não informado. Chemist and Druggist. Pharmaceutical Society of Northern Ireland, 1859.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.