Ehninger, Douglas. Gronbeck, Bruce E. McKerrow, Ray E. Monroe, Alan H. text Glenview, Ill Scott, Foresman and Company c1986 10th ed. monographic xvii, 446 pages : Illustrations ; Rev. ed. of: Principles and types of speech communication / Douglas Ehninger. 9th ed. c1982. Includes index. Public speaking PN 4121 PRI 0673181561