National Cooperative Highway Research Program. Summary of progress - National Cooperative Highway Research Program 2003. Highway Research Board, National Research Council.
Chicagoスタイル(17版)引用形式National Cooperative Highway Research Program. Summary of Progress - National Cooperative Highway Research Program 2003. [Washington]: Highway Research Board, National Research Council.
MLA(9版)引用形式National Cooperative Highway Research Program. Summary of Progress - National Cooperative Highway Research Program 2003. Highway Research Board, National Research Council.
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