Hans Binnendijk, Stuart E. Johnson (Hrsg.): Transforming for Stabilization and Reconstruction Operations. National Defense University Press, Washington, D.C. 2004, S. 134 (PDF)
Daniel S. Stempniak: An Agent of Change or A Colonel Who Just Complained: A Case Study of Colonel Douglas A. Macgregor and His Book, Breaking the Phalanx, A New Design for Landpower in the 21st Century. School of Advanced Military Studies, United States Army Command and General Staff College, Fort Leavenworth, Kansas, AY 02-03, S. 12 (PDF)