Lua APA (7ú heag.)

Samuelson, P. A., & Nordhaus, W. D. (1992). Economics (14th ed.). McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

Samuelson, Paul A., agus William D. Nordhaus. Economics. 14th ed. New York: McGraw-Hill, 1992.

Lua MLA (9ú heag.)

Samuelson, Paul A., agus William D. Nordhaus. Economics. 14th ed. McGraw-Hill, 1992.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.