Não informado. (2002). Child Life. Benjamin Franklin Literary and Medical Society.
Chicago (17e ed.) BronvermeldingNão informado. Child Life. Indianapolis, Ind: Benjamin Franklin Literary and Medical Society, 2002.
MLA (8e ed.) BronvermeldingNão informado. Child Life. Benjamin Franklin Literary and Medical Society, 2002.
Let op: Deze citaties zijn niet altijd 100% accuraat.