(1973). An index to the hazardous materials regulations; Title 49, Code of Federal Regulations (Oct. 1, 1973 revision) pts. 170-180.
Cita Chicago (17th ed.)An Index to the Hazardous Materials Regulations; Title 49, Code of Federal Regulations (Oct. 1, 1973 Revision) Pts. 170-180. 1973.
Cita MLA (9th ed.)An Index to the Hazardous Materials Regulations; Title 49, Code of Federal Regulations (Oct. 1, 1973 Revision) Pts. 170-180. 1973.
Atenció: Aquestes cites poden no estar 100% correctes.