Hard power and soft power :
the utility of military force as an instrument of policy in the 21st century /
Colin S. Gray.

APA Citation

Gray, C. S., Army War College (U.S.). Strategic Studies Institute. (2011). Hard power and soft power: the utility of military force as an instrument of policy in the 21st century. Carlisle, Pa.: Strategic Studies Institute, U.S. Army War College.

MLA Citation

Gray, Colin S, and Army War College (U.S.). Strategic Studies Institute. Hard Power And Soft Power: the Utility of Military Force As an Instrument of Policy In the 21st Century. Carlisle, Pa.: Strategic Studies Institute, U.S. Army War College, 2011.