Bennett, J. M. (1991). Four powers of communication: Skills for effective learning. McGraw-Hill.
Chicago (17e ed.) BronvermeldingBennett, J. Michael. Four Powers of Communication: Skills for Effective Learning. New York: McGraw-Hill, 1991.
MLA (9e ed.) BronvermeldingBennett, J. Michael. Four Powers of Communication: Skills for Effective Learning. McGraw-Hill, 1991.
Let op: Deze citaties zijn niet altijd 100% accuraat.