Não informado. Transportation noise bulletin. National Research Council, Highway Research Board.
Chicagoスタイル(17版)引用形式Não informado. Transportation Noise Bulletin. Washington: National Research Council, Highway Research Board.
MLA(8版)引用形式Não informado. Transportation Noise Bulletin. National Research Council, Highway Research Board.
警告: この引用は必ずしも正確ではありません.