Não informado. (1994). Archives of Pediatrics & Adolescent Medicine. American Medical Association.
Chicago (17e ed.) BronvermeldingNão informado. Archives of Pediatrics & Adolescent Medicine. Chicago, Ill: American Medical Association, 1994.
MLA (8e ed.) BronvermeldingNão informado. Archives of Pediatrics & Adolescent Medicine. American Medical Association, 1994.
Let op: Deze citaties zijn niet altijd 100% accuraat.