Bennett, J. M. (1991). Four powers of communication: Skills for effective learning. McGraw-Hill.
Chicago Style (17th ed.) CitationBennett, J. Michael. Four Powers of Communication: Skills for Effective Learning. New York: McGraw-Hill, 1991.
MLA citiranjeBennett, J. Michael. Four Powers of Communication: Skills for Effective Learning. McGraw-Hill, 1991.
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