This site outlines the features of effective teambuilding, including the team leader's role and a self-assessment on your team's development. (
http://www.ianr.unl.edu/pubs/misc/cc352.htm
)
This information-filled British site focuses on the Myers-Briggs Type Indicator and its relationship to team dynamics, particularly team roles. (
http://www.mtr-i.com
)
Here is a site that offers a detailed description of the stages of team development. These stages are different from the model presented in the textbook, but you can see the parallels. (
http://www.vta.spcomm.uiuc.edu/TBG/tbgt2-ov.html
)