TY - BOOK AU - Gronbeck,Bruce E. TI - Principles and types of speech communication SN - 0673468046 AV - PN4121 .P72 1993 U1 - 808.5/1 20 PY - 1993///] CY - New York PB - HarperCollins College Publishers KW - Public speaking N1 - Includes bibliographical references and index ER -