Não informado. (2002). California's health. Department of Public Health.
Chicago-Zitierstil (17. Ausg.)Não informado. California's Health. Berkeley, Calif: Department of Public Health, 2002.
MLA-Zitierstil (8. Ausg.)Não informado. California's Health. Department of Public Health, 2002.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.