The nature of proof
By: [by] Erwin P. Bettinghaus.
Edition: 2d ed.
Series: The Bobbs-Merrill series in speech communication, 1
Publisher: Bobbs-Merrill
Published: 1972
Place of publication: Indianapolis
Language: eng
Number of pages: 150
Subjects: Public speaking; Belief and doubt
Notes: Bibliography: p. 143-145.
1966 ed. published under title: Message preparation.