Wimette, H. J., Davis, G., & Gunderson, J. (1974). Development of written tests for certification of emission laboratory technicians. U.S. Environmental Protection Agency, Office of Air and Waste Management, Office of Mobile Source Air Pollution Control, Emission Control Technology Division.
Chicago Style (17th ed.) CitationWimette, Harold J., Gene Davis, and John Gunderson. Development of Written Tests for Certification of Emission Laboratory Technicians. Ann Arbor, Michigan: U.S. Environmental Protection Agency, Office of Air and Waste Management, Office of Mobile Source Air Pollution Control, Emission Control Technology Division, 1974.
MLA (9th ed.) CitationWimette, Harold J., et al. Development of Written Tests for Certification of Emission Laboratory Technicians. U.S. Environmental Protection Agency, Office of Air and Waste Management, Office of Mobile Source Air Pollution Control, Emission Control Technology Division, 1974.