Ferguson, Sherry Devereaux. Public speaking : building competency in stages / Sherry Devereaux Ferguson. - New York : Oxford University Press, 2008. - xxvi, 560 p. : ill. (chiefly col.) ; 26 cm. Includes bibliographical references (p. [525]-550) and index. ISBN: 9780195187779 (pbk.) 0195187776 (pbk.) Subjects--Topical Terms: Public speaking. Dewey Class. No.: 808.5/1