Marianne Schneider Corey & Gerald Corey. (2006). Groups: Process and practice (7.). Brooks/Cole.
Chicago Style citaatMarianne Schneider Corey en Gerald Corey. Groups: Process and Practice. 7. Australia: Brooks/Cole, 2006.
MLA citatieMarianne Schneider Corey en Gerald Corey. Groups: Process and Practice. 7. Brooks/Cole, 2006.
Let op: Deze citaties zijn niet altijd 100% accuraat.