Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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