Não informado. (2000). Technical report. U.S. Department of Transportation.
Chicagoスタイル(17版)引用形式Não informado. Technical Report. Washington: U.S. Department of Transportation, 2000.
MLA(8版)引用形式Não informado. Technical Report. U.S. Department of Transportation, 2000.
警告: この引用は必ずしも正確ではありません.