United States. Environmental Protection Agency. Office of Transportation and Air Quality. (2004). Guidance for quantifying and using long duration switch yard locomotive idling emssion reductions in state implementation plans. United States Environmental Protection Agency, Office of Transportation and Air Quality, Transportation and Regional Programs Division.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Office of Transportation and Air Quality. Guidance for Quantifying and Using Long Duration Switch Yard Locomotive Idling Emssion Reductions in State Implementation Plans. [Washington, D.C.]: United States Environmental Protection Agency, Office of Transportation and Air Quality, Transportation and Regional Programs Division, 2004.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. Office of Transportation and Air Quality. Guidance for Quantifying and Using Long Duration Switch Yard Locomotive Idling Emssion Reductions in State Implementation Plans. United States Environmental Protection Agency, Office of Transportation and Air Quality, Transportation and Regional Programs Division, 2004.