Lardner, D. (1968). Railway economy: A treatise on the new art of transport, its management, prospects & relations .. A. M. Kelley.
Chicago Style (17. basım) AtıfLardner, Dionysius. Railway Economy: A Treatise on the New Art of Transport, Its Management, Prospects & Relations .. New York: A. M. Kelley, 1968.
MLA (8th ed.) AtıfLardner, Dionysius. Railway Economy: A Treatise on the New Art of Transport, Its Management, Prospects & Relations .. A. M. Kelley, 1968.
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