APA (7e ed.) Bronvermelding

Barzelay, M., & Campbell, C. (2003). Preparing for the future: Strategic planning in the U.S. Air Force. Brookings Institution Press.

Chicago (17e ed.) Bronvermelding

Barzelay, Michael, en Colin Campbell. Preparing for the Future: Strategic Planning in the U.S. Air Force. Washington, D.C.: Brookings Institution Press, 2003.

MLA (9e ed.) Bronvermelding

Barzelay, Michael, en Colin Campbell. Preparing for the Future: Strategic Planning in the U.S. Air Force. Brookings Institution Press, 2003.