Drezner, J. A., Sommer, G., & Leonard, R. S. (1999). Innovative management in the DARPA high altitude endurance unmanned aerial vehicle program: Phase II experience. RAND.
Lua i Stíl Chicago (17ú heag.)Drezner, Jeffrey A., Geoffrey Sommer, agus Robert S. Leonard. Innovative Management in the DARPA High Altitude Endurance Unmanned Aerial Vehicle Program: Phase II Experience. Santa Monica, CA: RAND, 1999.
Lua MLA (9ú heag.)Drezner, Jeffrey A., et al. Innovative Management in the DARPA High Altitude Endurance Unmanned Aerial Vehicle Program: Phase II Experience. RAND, 1999.
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