Lua APA (7ú heag.)

McConnell, C. R. (1981). Economics: Principles, problems, and policies (10th ed.). McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

McConnell, Campbell R. Economics: Principles, Problems, and Policies. 10th ed. New York: McGraw-Hill, 1981.

Lua MLA (9ú heag.)

McConnell, Campbell R. Economics: Principles, Problems, and Policies. 10th ed. McGraw-Hill, 1981.

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