McConnell, C. R. (1981). Economics: Principles, problems, and policies (8th ed.). McGraw-Hill.
Chicago-viite (17. p.)McConnell, Campbell R. Economics: Principles, Problems, and Policies. 8th ed. New York: McGraw-Hill, 1981.
MLA-viite (9. p.)McConnell, Campbell R. Economics: Principles, Problems, and Policies. 8th ed. McGraw-Hill, 1981.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.