PAUL, S. (1955). ECONOMICS 9TH EDITION. MCGRAW HILL.
Chicago-čujuhus (17. p.)PAUL, SAMUELSON. ECONOMICS 9TH EDITION. NEW-YORK: MCGRAW HILL, 1955.
MLA-čujuhus (9. p.)PAUL, SAMUELSON. ECONOMICS 9TH EDITION. MCGRAW HILL, 1955.
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