Thornton, T. P. (1986). The Challenge to U.S. Policy in the third world: Global responsibilities and regional devolution. Westview Pr.
Chicago-čujuhus (17. p.)Thornton, Thomas Perry. The Challenge to U.S. Policy in the Third World: Global Responsibilities and Regional Devolution. Boulder, Colo.: Westview Pr, 1986.
MLA-čujuhus (9. p.)Thornton, Thomas Perry. The Challenge to U.S. Policy in the Third World: Global Responsibilities and Regional Devolution. Westview Pr, 1986.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.