Παραπομπή APA

Hennes, R. G., & Ekse, M. (1955). Fundamentals of Transportation Engineering (2nd.). McGraw-Hill.

Παραπομπή Chicago Style

Hennes, Robert G., και Martin Ekse. Fundamentals of Transportation Engineering. 2nd. New York: McGraw-Hill, 1955.

Παραπομπή MLA

Hennes, Robert G., και Martin Ekse. Fundamentals of Transportation Engineering. 2nd. McGraw-Hill, 1955.