McConnel, C. R. (1969). Economics; Principles, Problems and Policies (4th ed.). McGraw-Hill.
Chicago Edition CitationMcConnel, Campbell R. Economics; Principles, Problems and Policies. 4th ed. New York: McGraw-Hill, 1969.
MLA Edition CitationMcConnel, Campbell R. Economics; Principles, Problems and Policies. 4th ed. McGraw-Hill, 1969.
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