Bolton, R. (1979). People skills: How to assert yourself, listen to others, and resolve conflicts (1st Touchstone ed.). Simon & Schuster.
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Chicago-čujuhus (17. p.)
Bolton, Robert. People Skills: How to Assert Yourself, Listen to Others, and Resolve Conflicts. 1st Touchstone ed. New York: Simon & Schuster, 1979.
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MLA-čujuhus (9. p.)
Bolton, Robert. People Skills: How to Assert Yourself, Listen to Others, and Resolve Conflicts. 1st Touchstone ed. Simon & Schuster, 1979.
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