Shelton, J. C. (1980). Effectiveness of idle adjustment on passenger cars at commercial repair facilities. Test and Evaluation Branch, Emission Control Technology Division, Office of Mobile Source Air Pollution Control, Office of Air, Noise, and Radiation, U.S. Environmental Protection Agency.
Chicago Style (17th ed.) CitationShelton, John C. Effectiveness of Idle Adjustment on Passenger Cars at Commercial Repair Facilities. [Ann Arbor, Mich.]: Test and Evaluation Branch, Emission Control Technology Division, Office of Mobile Source Air Pollution Control, Office of Air, Noise, and Radiation, U.S. Environmental Protection Agency, 1980.
MLA (9th ed.) CitationShelton, John C. Effectiveness of Idle Adjustment on Passenger Cars at Commercial Repair Facilities. Test and Evaluation Branch, Emission Control Technology Division, Office of Mobile Source Air Pollution Control, Office of Air, Noise, and Radiation, U.S. Environmental Protection Agency, 1980.