The Associated Press' Associated Press Stylebook

Visit the website linked above, and consider obtaining this official guide to writing in AP style, a standard form for most newspapers in the United States. If you are going to do extensive work with the news media, it is a worthwhile investment to purchase this book. Click on the AP press release (HTML) for details and information about the cost of the newest edition of the book. This book serves as an example of how a well-written press release uses AP style, provides cross-promotion with social media, and injects company information and contact detail. To see AP style at work, do a Google search on terms "AP style” and visit several pages that may give examples of the AP style rules applied to specific instances of writing.  In the United States, you will also find newspapers serving your community typically use AP style, so you can examine those as well for samples of the style rules.

Click http://www.apstylebook.com/ link to open resource.