Curtis, D., & Irvine, I. (2020). Principles of Microeconomics. Lyryx.
Chicago-čujuhus (17. p.)Curtis, Doug, juo Ian Irvine. Principles of Microeconomics. [Place of publication not identified]: Lyryx, 2020.
MLA-čujuhus (9. p.)Curtis, Doug, juo Ian Irvine. Principles of Microeconomics. Lyryx, 2020.
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