Robinson, J. (1964). The economics of imperfect competition. Macmillan.
Čikaški stil citiranjaRobinson, Joan. The Economics of Imperfect Competition. London: Macmillan, 1964.
MLA način citiranjaRobinson, Joan. The Economics of Imperfect Competition. Macmillan, 1964.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.