Lua APA (7ú heag.)

Samuelson, P. A., & Nordhaus, W. D. (1998). Economics (16th ed.). Irwin/McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

Samuelson, Paul Anthony, agus William D. Nordhaus. Economics. 16th ed. Boston, Mass: Irwin/McGraw-Hill, 1998.

Lua MLA (8ú heag.)

Samuelson, Paul Anthony, agus William D. Nordhaus. Economics. 16th ed. Irwin/McGraw-Hill, 1998.

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