Spero, J. E. (1997). The politics of international economic relations. Routledge.
Chicago Style (17. basım) AtıfSpero, Joan Edelman. The Politics of International Economic Relations. London: Routledge, 1997.
MLA (9th ed.) AtıfSpero, Joan Edelman. The Politics of International Economic Relations. Routledge, 1997.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..