Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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