Παραπομπή APA

Harvey, J. (1969). Modern economics: An introduction for business and professional students. Macmillan, ELBS.

Παραπομπή Chicago Style

Harvey, Jack. Modern Economics: An Introduction for Business and Professional Students. London: Macmillan, ELBS, 1969.

Παραπομπή MLA

Harvey, Jack. Modern Economics: An Introduction for Business and Professional Students. Macmillan, ELBS, 1969.