Não informado. (1994). Occupational and Environmental Medicine. BMJ Publishing.
Chicago-Zitierstil (17. Ausg.)Não informado. Occupational and Environmental Medicine. London: BMJ Publishing, 1994.
MLA-Zitierstil (8. Ausg.)Não informado. Occupational and Environmental Medicine. BMJ Publishing, 1994.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.