Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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