Παραπομπή APA
Fricker, J. D., & Whitford, R. K. (2004). Fundamentals of transportation engineering: A multimodal Systems Approach. Upper Saddle River, NJ: Pearson Prentice Hall.
Παραπομπή Chicago StyleFricker, Jon D., and Robert K. Whitford. Fundamentals of Transportation Engineering: A Multimodal Systems Approach. Upper Saddle River, NJ: Pearson Prentice Hall, 2004.
Παραπομπή MLAFricker, Jon D., and Robert K. Whitford. Fundamentals of Transportation Engineering: A Multimodal Systems Approach. Upper Saddle River, NJ: Pearson Prentice Hall, 2004.
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