United States. Environmental Protection Agency. Office of Underground Storage Tanks. (1996). How to effectively recover free product at leaking underground storage tank sites: A guide for state regulators. U.S. Environmental Protection Agency, Office of Underground Storage Tanks : OSWER : National Risk Management Research Laboratory : ORD.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Office of Underground Storage Tanks. How to Effectively Recover Free Product at Leaking Underground Storage Tank Sites: A Guide for State Regulators. Washington, DC: U.S. Environmental Protection Agency, Office of Underground Storage Tanks : OSWER : National Risk Management Research Laboratory : ORD, 1996.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. Office of Underground Storage Tanks. How to Effectively Recover Free Product at Leaking Underground Storage Tank Sites: A Guide for State Regulators. U.S. Environmental Protection Agency, Office of Underground Storage Tanks : OSWER : National Risk Management Research Laboratory : ORD, 1996.