References
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The Professional Soldier: A Social and Political Portrait. New York, Free Press, 1960.
La professione militare in Italia . Milan, Franco Angeli, 1985.
The Military Profession: Theories of Change." Armed Forces & Society 15, no. 1 (1988): 55-70. "
Back to the Future: Instability in Europe After the Cold War." International Security 15, no. 4 (1990): 5-56. "
The Definite End of the Mass Army in Western Europe?" Armed Forces & Society 25, no. 1 (1998). "