Larson, Orvin Prentiss. When it's your turn to speak [by] Orvin Larson. - Rev. and enl. ed. - New York Harper & Row [1971] - xii, 210 p. 22 cm. ISBN: 0060125268 LCCN: 70108942 Subjects--Topical Terms: Public speaking LC Class. No.: PN4121 / .L135 1971 Dewey Class. No.: 808.5/1