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