SAMUELSON PAUL A. (2022). ECONOMICS (20TH.). MCGRAW-HILL.
Chicago-čujuhus (17. p.)SAMUELSON PAUL A. ECONOMICS. 20TH. NEW YORK: MCGRAW-HILL, 2022.
MLA-čujuhus (9. p.)SAMUELSON PAUL A. ECONOMICS. 20TH. MCGRAW-HILL, 2022.
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