Keyton, J. (2011). Communication research: Asking questions, finding answers (Third edition.). McGraw-Hill.
Chicago-viite (17. p.)Keyton, Joann. Communication Research: Asking Questions, Finding Answers. Third edition. New York: McGraw-Hill, 2011.
MLA-viite (9. p.)Keyton, Joann. Communication Research: Asking Questions, Finding Answers. Third edition. McGraw-Hill, 2011.
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