Gaya APA
Papacostas, C., Prevedouros, P. (2001).
Transportation engineering and planning (3rd ed).
Upper Sadlle River,NJ:
Prentice Hall.
Gaya MLA
Papacostas, C.S.., Prevedouros, P.D..
"Transportation engineering and planning".
3rd ed
Upper Sadlle River,NJ:
Prentice Hall,
2001.
Text.