http://digfir-published.macmillanusa.com/video_human_comm_accessible/video_human_comm_accessible_ch96.html
Chapter
96. Fact (personal appeal and credibility)
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http://digfir-published.macmillanusa.com/video_human_comm_accessible/video_human_comm_accessible_ch96_dlap.xmlDLAP questions59d6309b7894d2cc67000001