Não informado. (2001). American Journal of Public Health: Supplement. American Public Health Association.
Chicago (17e ed.) BronvermeldingNão informado. American Journal of Public Health: Supplement. Washington: American Public Health Association, 2001.
MLA (8e ed.) BronvermeldingNão informado. American Journal of Public Health: Supplement. American Public Health Association, 2001.
Let op: Deze citaties zijn niet altijd 100% accuraat.