Advice for small business in need of "do- it-yourself" marketing :
www.inc.com/guides/marketing/

Additional Marketing Resources from American Marketing Association :
www.marketingpower.com/content753.php

In addition link :
www.top100marketing.com/news/advertising-and-marketing-agencies.html

Internet marketing resources. Advertising, website promotion and development
Marketing - Advertising And Marketing Agencies

The Role of Culture in the Marketing: Accountability Journey
http://www.refresher.com/alpfrculture.html