Wright, P. H., Ashford, N. J., & Stammer, R. J. (1998). Transportation engineering: Planing and design (4th ed.). New York: John Wiley and Sons.
استشهاد بنمط شيكاغوWright, Paul H., Norman J. Ashford, و Robert J. Stammer. Transportation Engineering: Planing and Design. 4th ed. New York: John Wiley and Sons, 1998.
MLA استشهادWright, Paul H., Norman J. Ashford, و Robert J. Stammer. Transportation Engineering: Planing and Design. 4th ed. New York: John Wiley and Sons, 1998.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.