United States. Environmental Protection Agency. Office of Transportation and Air Quality. Assessment and Standards Division, California. Air Resources Board, & Engine Manufacturers Association. (2010). Test plan to determine PEMS measurement allowance for the PM emissions regulated under the manufacturer-run heavy-duty diesel engine in-use testing program. U.S. Environmental Protection Agency.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Office of Transportation and Air Quality. Assessment and Standards Division, California. Air Resources Board, and Engine Manufacturers Association. Test Plan to Determine PEMS Measurement Allowance for the PM Emissions Regulated Under the Manufacturer-run Heavy-duty Diesel Engine In-use Testing Program. [Washington, D.C.]: U.S. Environmental Protection Agency, 2010.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. Office of Transportation and Air Quality. Assessment and Standards Division, et al. Test Plan to Determine PEMS Measurement Allowance for the PM Emissions Regulated Under the Manufacturer-run Heavy-duty Diesel Engine In-use Testing Program. U.S. Environmental Protection Agency, 2010.