Baird, A. C., Becker, S. L., & Knower, F. H. (1971). General speech communication (4th ed.). McGraw-Hill.

Baird, A. Craig, Samuel L. Becker, and Franklin H. Knower. General Speech Communication. 4th ed. New York: McGraw-Hill, 1971.

Baird, A. Craig, et al. General Speech Communication. 4th ed. McGraw-Hill, 1971.