TY - BOOK AU - Verderber,Rudolph F. TI - The challenge of effective speaking AV - PN4121 .V4 U1 - 808.51 22 PY - 1970/// CY - Belmont, Calif. L PB - Wadsworth Pub. Co KW - Public speaking N1 - Includes bibliographies; English UR - http://www.worldcat.org/title/challenge-of-effective-speaking/oclc/317370961&referer=brief_results ER -