Spero, J. E. (1982). The politics of international economic relations (2nd ed.). G. Allen & Unwin.
Tohutoru Kātū Chicago (17th ed.)Spero, Joan Edelman. The Politics of International Economic Relations. 2nd ed. Boston: G. Allen & Unwin, 1982.
Tohutoro MLA (9th ed.)Spero, Joan Edelman. The Politics of International Economic Relations. 2nd ed. G. Allen & Unwin, 1982.