APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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

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