Παραπομπή APA

McConnell, C. R. (1981). Economics: Principles, problems, and policies (8th ed.). New York: McGraw-Hill.

Παραπομπή Chicago Style

McConnell, Campbell R. Economics: Principles, Problems, and Policies. 8th ed. New York: McGraw-Hill, 1981.

Παραπομπή MLA

McConnell, Campbell R. Economics: Principles, Problems, and Policies. 8th ed. New York: McGraw-Hill, 1981.

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