Não informado. (2002). California's health. Department of Public Health.
Chicago (17e ed.) BronvermeldingNão informado. California's Health. Berkeley, Calif: Department of Public Health, 2002.
MLA (8e ed.) BronvermeldingNão informado. California's Health. Department of Public Health, 2002.
Let op: Deze citaties zijn niet altijd 100% accuraat.