McConnell, C. R. (1987). Economics: Principles, problems, and policies (10ª ed.). Mc Graw Hill.
Chicago-viite (17. p.)McConnell, Campbell R. Economics: Principles, Problems, and Policies. 10ª ed. Mc Graw Hill, 1987.
MLA-viite (9. p.)McConnell, Campbell R. Economics: Principles, Problems, and Policies. 10ª ed. Mc Graw Hill, 1987.
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