Greenwell, R. M. (2003). Child psychiatric disorder and relative age in school year: Holding back may cause more harm. BMJ Publishing Group Ltd.
Chicago Style citaatGreenwell, Robyn M. Child Psychiatric Disorder and Relative Age in School Year: Holding Back May Cause More Harm. BMJ Publishing Group Ltd, 2003.
MLA citatieGreenwell, Robyn M. Child Psychiatric Disorder and Relative Age in School Year: Holding Back May Cause More Harm. BMJ Publishing Group Ltd, 2003.
Let op: Deze citaties zijn niet altijd 100% accuraat.