Brown University & Manisses Communications Group. (1991). The Brown University child and adolescent behavior letter: Monthly reports on the problems of children and adolescents growing up. Manisses Communications Group.
Dyfyniad Arddull ChicagoBrown University and Manisses Communications Group. The Brown University Child and Adolescent Behavior Letter: Monthly Reports on the Problems of Children and Adolescents Growing Up. Providence, RI: Manisses Communications Group, 1991.
Dyfyniad MLABrown University and Manisses Communications Group. The Brown University Child and Adolescent Behavior Letter: Monthly Reports on the Problems of Children and Adolescents Growing Up. Manisses Communications Group, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.