Chappelle, C. C. (1916). Increasing car operation economies (Limited ed.). Railway Improvement Co..
Dyfyniad Arddull ChicagoChappelle, C. C. Increasing Car Operation Economies. Limited ed. New York: Railway Improvement Co., 1916.
Dyfyniad MLAChappelle, C. C. Increasing Car Operation Economies. Limited ed. Railway Improvement Co., 1916.
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