APA-ийн эшлэл(7 дахь хэвлэлт)

Thornton, T. P. (1986). The Challenge to U.S. Policy in the third world: Global responsibilities and regional devolution. Westview Pr.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Thornton, Thomas Perry. The Challenge to U.S. Policy in the Third World: Global Responsibilities and Regional Devolution. Boulder, Colo.: Westview Pr, 1986.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Thornton, Thomas Perry. The Challenge to U.S. Policy in the Third World: Global Responsibilities and Regional Devolution. Westview Pr, 1986.