Friend, M. & Cook, L.  (2003).  Interactions:  Collaboration skills for school professionals (4th edition). The Fundamentals of Collaboration (pp. 1-25), and  Co-Teaching (pp. 171-194).  Boston:  Allyn and Bacon.

Jenkins, S., Nigolian, M., O’Brien, M., O’Dowd, E., Walsleben, L. (2007). Language: Collaborating for content-based academic language instruction. In F. Pawan & G. B. Sietman, (Eds.), Helping English language learners succeed in middle and high schools (pp. 31-57. Alexandria, VA: Teachers of English to Speakers of Other Languages, Inc. (TESOL)

DuFour, R. (2003, Summer). Leading edge: ‘Collaboration lite’ puts student achievement on a starvation diet. Journal of Staff Development 24(3). Retrieved from http://www.nsdc.org/library/publications/jsd/dufour244.cfm

Friend, M., & Cook, L. (2003).  Interactions: Collaboration skills for school professionals (4^th ed.). Boston, MA:  Allyn and Bacon.

Gerlach, K. (n.d.). Teamwork: Key to success for teachers and paraeducators. Impact. Retrieved June 13, 2005, from http://ici.umn.edu/products/impact/152/over6.html

Honigsfeld, A., & Dove, M.G. (2010). Collaboration and co-teaching: Strategies for English learners. Newbury Park, CA: Sage Publications.

McLeskey, J. & Waldron, N. L. (1996, October). Responses to questions teachers and administrators frequently ask about inclusive school programs. Phi Delta Kappan, 150-156.