Tepper, A., & Roman, P. A. (1968). The oral communication; his role and function. Burgess Pub.
Chicago-viite (17. p.)Tepper, Albert, ja Paul A. Roman. The Oral Communication; His Role and Function. Minneapolis, Minnesota: Burgess Pub, 1968.
MLA-viite (9. p.)Tepper, Albert, ja Paul A. Roman. The Oral Communication; His Role and Function. Burgess Pub, 1968.
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