Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (9ú heag.)

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

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