Papacostas, C. (1993). Transportation engineering and planning (2nd.ed.). Prentice Hall.
Cita Chicago (17th ed.)Papacostas, C.S. Transportation Engineering and Planning. 2nd.ed. Englewood Cliffs: Prentice Hall, 1993.
Cita MLA (9th ed.)Papacostas, C.S. Transportation Engineering and Planning. 2nd.ed. Prentice Hall, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.