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