Harvey, J. (1993). Modern economics: An introduction for business and professional students (6th ed.). Macmillan.
Trích dẫn kiểu ChicagoHarvey, Jack. Modern Economics: An Introduction for Business and Professional Students. 6th ed. Hondmils: Macmillan, 1993.
Trích dẫn MLAHarvey, Jack. Modern Economics: An Introduction for Business and Professional Students. 6th ed. Macmillan, 1993.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.