I enjoy this site and newsletter. Here’s a good article on personal accountability:

http://www.mindtools.com/pages/article/developing-personal-accountability.htm#np

From Mindtools:

This site teaches you the skills you need for a happy and successful career; and this is just one of many tools and resources that you’ll find here at Mind Tools. Click here for more, subscribe to our free newsletter, or become a member for just $1. – See more at: http://www.mindtools.com/pages/article/developing-personal-accountability.htm#np