Schultz, Don E.; Schultz, Heidi F. (1998-01-01). "Transitioning marketing communication into the twenty-first century". Journal of Marketing Communications. 4 (1): 9–26. doi:10.1080/135272698345852. ISSN1352-7266.
Schultz, Don E.; Schultz, Heidi F. (1998-01-01). "Transitioning marketing communication into the twenty-first century". Journal of Marketing Communications. 4 (1): 9–26. doi:10.1080/135272698345852. ISSN1352-7266.