Health Effects Institute. (1993). Health Effects Institute environmental epidemiology planning project: September 1990 - September 1992, Cambridge, Massachusetts. National Inst. of Health.
Chicago-Zitierstil (17. Ausg.)Health Effects Institute. Health Effects Institute Environmental Epidemiology Planning Project: September 1990 - September 1992, Cambridge, Massachusetts. Washington, DC: National Inst. of Health, 1993.
MLA-Zitierstil (9. Ausg.)Health Effects Institute. Health Effects Institute Environmental Epidemiology Planning Project: September 1990 - September 1992, Cambridge, Massachusetts. National Inst. of Health, 1993.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.