Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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