Fennell, A. (2014). Helium program, BLM's implementation of the Helium Stewardship Act of 2013: Testimony before the Subcommittee on Energy and Mineral Resources, Committee on Natural Resources, House of Representatives. United States Government Accountability Office.
Chicago Style (17th ed.) CitationFennell, Anne-Marie. Helium Program, BLM's Implementation of the Helium Stewardship Act of 2013: Testimony Before the Subcommittee on Energy and Mineral Resources, Committee on Natural Resources, House of Representatives. [Washington, D.C.]: United States Government Accountability Office, 2014.
MLA (9th ed.) CitationFennell, Anne-Marie. Helium Program, BLM's Implementation of the Helium Stewardship Act of 2013: Testimony Before the Subcommittee on Energy and Mineral Resources, Committee on Natural Resources, House of Representatives. United States Government Accountability Office, 2014.