Heiman, S. E., Sanchez, D. a., Tuleja, T. a., & Sanchez, D.  . The new strategic selling: The unique sales system proven successful by the world's best companies, revised and updated for the 21st century / Stephen E Heiman...[et al.]. Warner Books.

Heiman, Stephen E., Diane author Sanchez, Tad author Tuleja, và Diane  author Sanchez. The New Strategic Selling: The Unique Sales System Proven Successful By the World's Best Companies, Revised and Updated for the 21st Century / Stephen E Heiman...[et Al.]. Warner Books.

Heiman, Stephen E., Diane author Sanchez, Tad author Tuleja, và Diane  author Sanchez. The New Strategic Selling: The Unique Sales System Proven Successful By the World's Best Companies, Revised and Updated for the 21st Century / Stephen E Heiman...[et Al.]. Warner Books.