Ply, M. S. (1989). Writer, audience, subject: Bridging the communication gap. Scott, Foresman.
Chicago Style (17th ed.) CitationPly, Mary Sue. Writer, Audience, Subject: Bridging the Communication Gap. Glenview,Ill: Scott, Foresman, 1989.
MLA (9th ed.) CitationPly, Mary Sue. Writer, Audience, Subject: Bridging the Communication Gap. Scott, Foresman, 1989.
Warning: These citations may not always be 100% accurate.