Hennes, R. G., & Ekse, M. (1955). Fundamentals of Transportation Engineering (2nd.). McGraw-Hill.
Chicago Style aipamenaHennes, Robert G., and Martin Ekse. Fundamentals of Transportation Engineering. 2nd. New York: McGraw-Hill, 1955.
MLA aipamenaHennes, Robert G., and Martin Ekse. Fundamentals of Transportation Engineering. 2nd. McGraw-Hill, 1955.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.