Helgesen, M. (1999). Active listening introducing: Skills for understanding (Level 1). Cambridge, UK: Cambridge Univ. Press.
Chicago Stili AlıntıHelgesen, Marc. Active Listening Introducing: Skills for Understanding (Level 1). Cambridge, UK: Cambridge Univ. Press, 1999.
MLA AlıntıHelgesen, Marc. Active Listening Introducing: Skills for Understanding (Level 1). Cambridge, UK: Cambridge Univ. Press, 1999.
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