Brydon, S. R., & Scott, M. D. (2008). Between one and many: The art and science of public speaking (6th ed.). McGraw-Hill Higher Education.

Brydon, Steven Robert, and Michael D. Scott. Between One and Many: The Art and Science of Public Speaking. 6th ed. New York: McGraw-Hill Higher Education, 2008.

Brydon, Steven Robert, and Michael D. Scott. Between One and Many: The Art and Science of Public Speaking. 6th ed. McGraw-Hill Higher Education, 2008.