Hill, B. T. (2003). Invasive species: Federal efforts and state perspectives on challenges and national leadership : statement of Barry T. Hill, Director, Natural Resources and Environment, before the Subcommittee on Fisheries, Wildlife, and Water, Committee on Environment and Public Works, United States Senate. U.S. General Accounting Office.
Chicago Style (17th ed.) CitationHill, Barry T. Invasive Species: Federal Efforts and State Perspectives on Challenges and National Leadership : Statement of Barry T. Hill, Director, Natural Resources and Environment, Before the Subcommittee on Fisheries, Wildlife, and Water, Committee on Environment and Public Works, United States Senate. Washington, D.C.: U.S. General Accounting Office, 2003.
MLA (9th ed.) CitationHill, Barry T. Invasive Species: Federal Efforts and State Perspectives on Challenges and National Leadership : Statement of Barry T. Hill, Director, Natural Resources and Environment, Before the Subcommittee on Fisheries, Wildlife, and Water, Committee on Environment and Public Works, United States Senate. U.S. General Accounting Office, 2003.