PAPACOSTAS, C. (1993). Transportation Engineering And Planning C.s. Papacostas And P.d. Prevedouros. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)PAPACOSTAS, C.S. Transportation Engineering And Planning C.s. Papacostas And P.d. Prevedouros. Prentice-Hall, 1993.
Lua MLA (8ú heag.)PAPACOSTAS, C.S. Transportation Engineering And Planning C.s. Papacostas And P.d. Prevedouros. Prentice-Hall, 1993.
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