Message preparation
Subtitle: the nature of proof
By: [by] Erwin P. Bettinghaus.
Series: The Bobbs-Merrill series in speech communication, 1; Bobbs-Merrill series in speech communication, 1
Publisher: Bobbs-Merrill
Published: 1966
Place of publication: Indianapolis
Language: eng
Number of pages: 127
Subjects: Public speaking.; Belief and doubt.
Notes: Second ed. published in 1972 under title: The nature of proof.

Bibliography: p. 121-122.