Lua APA (7ú heag.)

Samuelson, P. A., & Nordhaus, W. D. (2022). Economics (20th.). McGraw Hill Education.

Lua i Stíl Chicago (17ú heag.)

Samuelson, Paul A., agus William D. Nordhaus. Economics. 20th. New Delhi: McGraw Hill Education, 2022.

Lua MLA (9ú heag.)

Samuelson, Paul A., agus William D. Nordhaus. Economics. 20th. McGraw Hill Education, 2022.

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