Não informado. (1987). AEI economist. American Enterprise Institute for Public Policy Research.
Lua i Stíl Chicago (17ú heag.)Não informado. AEI Economist. Washington: American Enterprise Institute for Public Policy Research, 1987.
Lua MLA (8ú heag.)Não informado. AEI Economist. American Enterprise Institute for Public Policy Research, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.