Sierra Research (Firm). (1988). Analytical support for emission factors development and air quality assessment. U.S. Environmental Protection Agency.
Chicago Style (17th ed.) CitationSierra Research (Firm). Analytical Support for Emission Factors Development and Air Quality Assessment. Ann Arbor, Michigan: U.S. Environmental Protection Agency, 1988.
MLA (9th ed.) CitationSierra Research (Firm). Analytical Support for Emission Factors Development and Air Quality Assessment. U.S. Environmental Protection Agency, 1988.
Warning: These citations may not always be 100% accurate.