Papacostas, C. (2005). Transportation Engineering and Planning. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Papacostas, C.S. Transportation Engineering and Planning. Prentice-Hall, 2005.
Lua MLA (8ú heag.)Papacostas, C.S. Transportation Engineering and Planning. Prentice-Hall, 2005.
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