(1993). Principles for evaluating chemical effects on the aged population. World Health Organization.
Chicago-Zitierstil (17. Ausg.)Principles for Evaluating Chemical Effects on the Aged Population. Geneva: World Health Organization, 1993.
MLA-Zitierstil (9. Ausg.)Principles for Evaluating Chemical Effects on the Aged Population. World Health Organization, 1993.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.