APA (7e ed.) Bronvermelding
DUNCAN, R. (1999). PEER AND SIBLING AGGRESSION: AN INVESTIGATION OF INTRA- AND EXTRA- FAMILIAL BULLYING.
Chicago (17e ed.) Bronvermelding
DUNCAN, R.D. PEER AND SIBLING AGGRESSION: AN INVESTIGATION OF INTRA- AND EXTRA- FAMILIAL BULLYING. 1999.
MLA (9e ed.) Bronvermelding
DUNCAN, R.D. PEER AND SIBLING AGGRESSION: AN INVESTIGATION OF INTRA- AND EXTRA- FAMILIAL BULLYING. 1999.
Let op: Deze citaties zijn niet altijd 100% accuraat.