Wright, P. H., Lai, J. S., Parsonson, P. S., & Meyer, M. (1996). Highway engineering (6th ed.). New York: John Wiley & Sons.
Παραπομπή Chicago StyleWright, Paul H., James S. Lai, Peter S. Parsonson, and Michael Meyer. Highway Engineering. 6th ed. New York: John Wiley & Sons, 1996.
Παραπομπή MLAWright, Paul H., James S. Lai, Peter S. Parsonson, and Michael Meyer. Highway Engineering. 6th ed. New York: John Wiley & Sons, 1996.
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