Gaya APA
Wright, Paul H., Ashford, Norman J. (1989).
Transportation engineering : planning and design (3rd.ed).
New York:
John Wiley & Sons.
Gaya Chicago
Wright, Paul H., Ashford, Norman J.
Transportation engineering : planning and design.
3rd.ed
New York:
John Wiley & Sons,
1989.
Text.
Gaya MLA
Wright, Paul H., Ashford, Norman J.
Transportation engineering : planning and design.
3rd.ed
New York:
John Wiley & Sons,
1989.
Text.
Gaya Turabian
Wright, Paul H., Ashford, Norman J.
Transportation engineering : planning and design.
3rd.ed
New York:
John Wiley & Sons,
1989.
Print.