Daggett, S. (1928). Principles of inland transportation. Harper.
Cita Chicago (17th ed.)Daggett, Stuart. Principles of Inland Transportation. New York: Harper, 1928.
Cita MLA (9th ed.)Daggett, Stuart. Principles of Inland Transportation. Harper, 1928.
Atenció: Aquestes cites poden no estar 100% correctes.