Walden, G., & Lawler, E. (1993). Marketing masters: Secrets of America's best companies. HarperBusiness.
Cita Chicago Style (17a ed.)Walden, Gene, y Ed Lawler. Marketing Masters: Secrets of America's Best Companies. New York, NY: HarperBusiness, 1993.
Cita MLA (9a ed.)Walden, Gene, y Ed Lawler. Marketing Masters: Secrets of America's Best Companies. HarperBusiness, 1993.
Precaución: Estas citas no son 100% exactas.