Tohutoro APA (7th ed.)

Samuleson, P. A., & Nordhaus, W. D. (2001). Economics (17th ed.). McGraw-Hill Irwin.

Tohutoru Kātū Chicago (17th ed.)

Samuleson, Paul A., me William D. Nordhaus. Economics. 17th ed. New york: McGraw-Hill Irwin, 2001.

Tohutoro MLA (9th ed.)

Samuleson, Paul A., me William D. Nordhaus. Economics. 17th ed. McGraw-Hill Irwin, 2001.

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