Lua APA (7ú heag.)

SAMUELSON, P. A., & NORDHAUS, W. D. (1989). Macroeconomics: A version of economics.-- Ed.13. McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

SAMUELSON, Paul A., agus William D. NORDHAUS. Macroeconomics: A Version of Economics.-- Ed.13. New York: McGraw-Hill, 1989.

Lua MLA (9ú heag.)

SAMUELSON, Paul A., agus William D. NORDHAUS. Macroeconomics: A Version of Economics.-- Ed.13. McGraw-Hill, 1989.

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