00528pamaa2200181 4500 0000017220 20060927090000.0 067346508X PN4121 PRI 1992 Principles of speech communication Bruce E. Gronbeck ... [et al.]. 11th brief edition. New York: Harper Collins, 1992. xi, 368p.: 23cm. Public speaking Gronbeck, Bruce E. GERMAN, Kathleen EHNINGER, Douglas Monroe, Alan H.