Παραπομπή APA

Hawkins, C. J. (1976). Theory of the firms. Macmillan.

Παραπομπή Chicago Style

Hawkins, C. J. Theory of the Firms. London: Macmillan, 1976.

Παραπομπή MLA

Hawkins, C. J. Theory of the Firms. Macmillan, 1976.