APA (7e ed.) Bronvermelding
GIBBS, J., & ET AL. (1996). DEVELOPING THE HELPING SKILLS AND PROSOCIAL MOTIVATION OF AGGRESSIVE ADOLESCENTS IN PEER GROUP PROGRAMS.
Chicago (17e ed.) Bronvermelding
GIBBS, J.C, en ET AL. DEVELOPING THE HELPING SKILLS AND PROSOCIAL MOTIVATION OF AGGRESSIVE ADOLESCENTS IN PEER GROUP PROGRAMS. 1996.
MLA (9e ed.) Bronvermelding
GIBBS, J.C, en ET AL. DEVELOPING THE HELPING SKILLS AND PROSOCIAL MOTIVATION OF AGGRESSIVE ADOLESCENTS IN PEER GROUP PROGRAMS. 1996.
Let op: Deze citaties zijn niet altijd 100% accuraat.