Ullman, G. L., Porter, R. J., & Karkee, G. J. (2009). Implementation guide for monitoring work zone safety and mobility impacts. Texas Transportation Institute, Texas A&M University System ; Available to the public through NTIS.
Chicago Style (17th ed.) CitationUllman, Gerald L., Richard J. Porter, and Ganesh Jung Karkee. Implementation Guide for Monitoring Work Zone Safety and Mobility Impacts. College Station, Tex. : Springfield, Va.: Texas Transportation Institute, Texas A&M University System ; Available to the public through NTIS, 2009.
MLA (9th ed.) CitationUllman, Gerald L., et al. Implementation Guide for Monitoring Work Zone Safety and Mobility Impacts. Texas Transportation Institute, Texas A&M University System ; Available to the public through NTIS, 2009.