Tubbs, S. L. (1998). A system approach to small group interaction (6th ed.). McGraw Hill.
Chicago (17e ed.) BronvermeldingTubbs, Stewart L. A System Approach to Small Group Interaction. 6th ed. Boston: McGraw Hill, 1998.
MLA (9e ed.) BronvermeldingTubbs, Stewart L. A System Approach to Small Group Interaction. 6th ed. McGraw Hill, 1998.
Let op: Deze citaties zijn niet altijd 100% accuraat.