Brockenbrough, R. L., & Brockenbrough, R. L. (2009). Highway engineering handbook: Building and rehabilitating the infrastructure (Third edition.). McGraw-Hill.
Cita Chicago (17th ed.)Brockenbrough, Roger L., i R. L. Brockenbrough. Highway Engineering Handbook: Building and Rehabilitating the Infrastructure. Third edition. New York: McGraw-Hill, 2009.
Cita MLA (8th ed.)Brockenbrough, Roger L., i R. L. Brockenbrough. Highway Engineering Handbook: Building and Rehabilitating the Infrastructure. Third edition. McGraw-Hill, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.