Koch, A. (1995). Speaking with a purpose (3rd ed.). Allyn and Bacon.
Chicago Style (17th ed.) CitationKoch, Arthur. Speaking with a Purpose. 3rd ed. Boston: Allyn and Bacon, 1995.
MLA (9th ed.) CitationKoch, Arthur. Speaking with a Purpose. 3rd ed. Allyn and Bacon, 1995.
Warning: These citations may not always be 100% accurate.