Shafiroff, M. D., & Shook,Robert L. (1990). Successful telephone selling in the '90s. New York: Perennial Library.
Chicago Style CitationShafiroff, Martin D., and Shook,Robert L. Successful Telephone Selling in the '90s. New York: Perennial Library, 1990.
MLA CitationShafiroff, Martin D., and Shook,Robert L. Successful Telephone Selling in the '90s. New York: Perennial Library, 1990.
Warning: These citations may not always be 100% accurate.