Barger, H. (1951). The transportation industries, 1889-1946 : a study of output, employment and productivity / by Harold Barger: A study of output, employment and productivity. National Bureau of Economic Research.
Chicago Style (17th ed.) CitationBarger, Harold. The Transportation Industries, 1889-1946 : A Study of Output, Employment and Productivity / by Harold Barger: A Study of Output, Employment and Productivity. New York: National Bureau of Economic Research, 1951.
MLA (9th ed.) CitationBarger, Harold. The Transportation Industries, 1889-1946 : A Study of Output, Employment and Productivity / by Harold Barger: A Study of Output, Employment and Productivity. National Bureau of Economic Research, 1951.
Warning: These citations may not always be 100% accurate.