Fricker, J. D. (2004). Fundamentals of transportation engineeringa multimodal systems approach /Jon D. Fricker , Robert K. Whitford. Prentice Hall.
Dyfyniad Arddull ChicagoFricker, Jon D. Fundamentals of Transportation Engineeringa Multimodal Systems Approach /Jon D. Fricker , Robert K. Whitford. Prentice Hall, 2004.
Dyfyniad MLAFricker, Jon D. Fundamentals of Transportation Engineeringa Multimodal Systems Approach /Jon D. Fricker , Robert K. Whitford. Prentice Hall, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.