Παραπομπή APA

Harvey, J. (1993). Modern economics: An introduction for business and professional students (6th ed.). Macmillan.

Παραπομπή Chicago Style

Harvey, Jack. Modern Economics: An Introduction for Business and Professional Students. 6th ed. Hondmils: Macmillan, 1993.

Παραπομπή MLA

Harvey, Jack. Modern Economics: An Introduction for Business and Professional Students. 6th ed. Macmillan, 1993.