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