Verderber, K. S. (1986). Inter - Act: Using interpersonal communication skills (4th.ed.). Wadsworth.
Chicago-čujuhus (17. p.)Verderber, Kathleen S. Inter - Act: Using Interpersonal Communication Skills. 4th.ed. Belmont: Wadsworth, 1986.
MLA-čujuhus (9. p.)Verderber, Kathleen S. Inter - Act: Using Interpersonal Communication Skills. 4th.ed. Wadsworth, 1986.
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