Villard, K. L., & Whipple, L. J. (1976). Beginnings in relational communication. John Wiley&sons.
Chicago Style aipamenaVillard, Kenneth L., and Leland J. Whipple. Beginnings in Relational Communication. New York: John Wiley&sons, 1976.
MLA aipamenaVillard, Kenneth L., and Leland J. Whipple. Beginnings in Relational Communication. John Wiley&sons, 1976.
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