Παραπομπή APA

Ball, J. T. (2001). The McGraw-Hill civil engineering PE exam depth guide: Transportation engineering. New York: McGraw-Hill.

Παραπομπή Chicago Style

Ball, James T. The McGraw-Hill Civil Engineering PE Exam Depth Guide: Transportation Engineering. New York: McGraw-Hill, 2001.

Παραπομπή MLA

Ball, James T. The McGraw-Hill Civil Engineering PE Exam Depth Guide: Transportation Engineering. New York: McGraw-Hill, 2001.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.