Thornton, T. P. (1986). The challenge to U.S. policy in the Third World: Global responsibilities and regional devolution. Westview Press.
Lua i Stíl Chicago (17ú heag.)Thornton, Thomas Perry. The Challenge to U.S. Policy in the Third World: Global Responsibilities and Regional Devolution. Boulder: Westview Press, 1986.
Lua MLA (9ú heag.)Thornton, Thomas Perry. The Challenge to U.S. Policy in the Third World: Global Responsibilities and Regional Devolution. Westview Press, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.