Spero, J. E. (1977). The politics of international economic relations. St. Martin's Press ; S. Chand & co. Ltd..
Lua i Stíl Chicago (17ú heag.)Spero, Joan Edelman. The Politics of International Economic Relations. New York : New Delhi: St. Martin's Press ; S. Chand & co. Ltd., 1977.
Lua MLA (8ú heag.)Spero, Joan Edelman. The Politics of International Economic Relations. St. Martin's Press ; S. Chand & co. Ltd., 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.