Marc Helgesen. (1994). Active listening building - students'book 2: Building skills for understanding. Cambridge, UK: Cambridge university press.
Chicago Stili AlıntıMarc Helgesen. Active Listening Building - Students'book 2: Building Skills for Understanding. Cambridge, UK: Cambridge university press, 1994.
MLA AlıntıMarc Helgesen. Active Listening Building - Students'book 2: Building Skills for Understanding. Cambridge, UK: Cambridge university press, 1994.
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