PIGNATARO, L. J. (1973). Traffic Engineering Theory And Practice. Prentice-Hall,Inc.
Lua i Stíl Chicago (17ú heag.)PIGNATARO, Louis J. Traffic Engineering Theory And Practice. Prentice-Hall,Inc, 1973.
Lua MLA (8ú heag.)PIGNATARO, Louis J. Traffic Engineering Theory And Practice. Prentice-Hall,Inc, 1973.
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