Παραπομπή APA

Robinson, J. (1964). The economics of imperfect competition. Macmillan.

Παραπομπή Chicago Style

Robinson, Joan. The Economics of Imperfect Competition. London: Macmillan, 1964.

Παραπομπή MLA

Robinson, Joan. The Economics of Imperfect Competition. Macmillan, 1964.