Samuelson, P. A. (2005). Economics (7th omson.). Thomson.
Chicago-čujuhus (17. p.)Samuelson, Paul A. Economics. 7th omson. South- Western/Th Learning: Thomson, 2005.
MLA-čujuhus (9. p.)Samuelson, Paul A. Economics. 7th omson. Thomson, 2005.
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