Mansfield, E. (1975). Microeconomic problems: Concepts, cases and tests (2nd ed.). Norton.
Chicago-viite (17. p.)Mansfield, Edwin. Microeconomic Problems: Concepts, Cases and Tests. 2nd ed. New York: Norton, 1975.
MLA-viite (9. p.)Mansfield, Edwin. Microeconomic Problems: Concepts, Cases and Tests. 2nd ed. Norton, 1975.
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