Barfield, C. E. (1981). Rethinking federalism: Block grants and federal, state, and local responsibilities. American Enterprise Institute for Public Policy Research.
Lua i Stíl Chicago (17ú heag.)Barfield, Claude E. Rethinking Federalism: Block Grants and Federal, State, and Local Responsibilities. Washington , D.C: American Enterprise Institute for Public Policy Research, 1981.
Lua MLA (9ú heag.)Barfield, Claude E. Rethinking Federalism: Block Grants and Federal, State, and Local Responsibilities. American Enterprise Institute for Public Policy Research, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.