Gaya APA
Ortuzar, J, D, D., Willumsen, L, G. (2011).
Modelling Transport (Fourth Edition).
West Sussex:
John Wiley & Sons.
Gaya MLA
Ortuzar, Juan, De, Dios., Willumsen, Luis, G..
"Modelling Transport".
Fourth Edition
West Sussex:
John Wiley & Sons,
2011.
Text.