Spero, J. E. (1982). The politics of international economic relations (2nd ed.). G. Allen & Unwin.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিSpero, Joan Edelman. The Politics of International Economic Relations. 2nd ed. Boston: G. Allen & Unwin, 1982.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিSpero, Joan Edelman. The Politics of International Economic Relations. 2nd ed. G. Allen & Unwin, 1982.