Spero, J. E. (1982). The politics of international economic relations (2nd ed.). G. Allen & Unwin.
Citazione stile Chigago Style (17a edizione)Spero, Joan Edelman. The Politics of International Economic Relations. 2nd ed. Boston: G. Allen & Unwin, 1982.
Citatione MLA (9a ed.)Spero, Joan Edelman. The Politics of International Economic Relations. 2nd ed. G. Allen & Unwin, 1982.