Παραπομπή APA

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

Παραπομπή Chicago Style

Harvey J. Modern Economics: An Introduction for Business and Professional Students. London: Macmillan and Co. Ltd, 1969.

Παραπομπή MLA

Harvey J. Modern Economics: An Introduction for Business and Professional Students. Macmillan and Co. Ltd, 1969.