If you'd like some additional resources, here are some good sites that discuss topics
in the public sector and marketing:      

Boardsource: Building effective nonprofit boards
Legal, managerial, financial, and political aspects of running an organization -- it's all here.

American Society for Association Executives and the Mid-Atlantic Society of Association Executives
Everything about working with volunteers, serving your members, keeping the books, and following the rules.

MarketingProfs.com
Once you register and log in you can access articles and webcasts galore.

American Marketing Association Resource Library
You also have to register and log in, but there's a wealth of white papers, notes on best practices, and webcasts.

Dan Pallotta's blog on nonprofit leadership
Dan discusses topics such as nonprofit ideology, executive salaries, fundraising, and more.

Katya Andresen's nonprofit marketing blog
Leader of the world-famous Network for Good, Katya shares regular insights on social media and online fundraising, as well as news about other innovative organizations.

Elaine Fogel's resources for nonprofit marketers
Elaine runs the nonprofit special interest group for the American Marketing Association and also has some articles about nonprofit marketing on her site.

Seth Godin's blog on marketing
Refreshingly blunt. 'Nuff said.