Noel-Brown, S. J. (1937). Economics of air transport. Sir I. Pitman & sons, ltd..
芝加哥风格引文Noel-Brown, Sidney James. Economics of Air Transport. London: Sir I. Pitman & sons, ltd., 1937.
MLA引文Noel-Brown, Sidney James. Economics of Air Transport. Sir I. Pitman & sons, ltd., 1937.
警告：这些引文格式不一定是100％准确.