Fricker, J. D., & Whitford, R. K. (2004). Fundamentals of transportation engineering: A multimodal systems approach. Pearson Prentice Hall ; Prentice Hall.
Chicago-viite (17. p.)Fricker, Jon D., ja Robert K. Whitford. Fundamentals of Transportation Engineering: A Multimodal Systems Approach. Upper Saddle River, NJ : Harlow: Pearson Prentice Hall ; Prentice Hall, 2004.
MLA-viite (9. p.)Fricker, Jon D., ja Robert K. Whitford. Fundamentals of Transportation Engineering: A Multimodal Systems Approach. Pearson Prentice Hall ; Prentice Hall, 2004.
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