ebrary, Inc, & Birkler, J. L. (2003). Competition and innovation in the U.S. fixed-wing military aircraft industry. RAND.
芝加哥风格引文ebrary, Inc, 与 J. L. Birkler. Competition and Innovation in the U.S. Fixed-wing Military Aircraft Industry. Santa Monica, CA: RAND, 2003.
MLA引文ebrary, Inc, 与 J. L. Birkler. Competition and Innovation in the U.S. Fixed-wing Military Aircraft Industry. RAND, 2003.
警告：这些引文格式不一定是100％准确.