Marshall, K. R., & Tarnoff, P. J. (2006). Guide to contracting ITS projects. Transportation Research Board.
Lua i Stíl Chicago (17ú heag.)Marshall, Kenneth R., agus Philip J. Tarnoff. Guide to Contracting ITS Projects. Washington, D.C: Transportation Research Board, 2006.
Lua MLA (9ú heag.)Marshall, Kenneth R., agus Philip J. Tarnoff. Guide to Contracting ITS Projects. Transportation Research Board, 2006.
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