United States. Federal Railroad Administration. Office of Safety. Railroad noise emission compliance regulations and standards.
Chicago Style (17th ed.) CitationUnited States. Federal Railroad Administration. Office of Safety. Railroad Noise Emission Compliance Regulations and Standards.
MLA (9th ed.) CitationUnited States. Federal Railroad Administration. Office of Safety. Railroad Noise Emission Compliance Regulations and Standards.
Warning: These citations may not always be 100% accurate.