Lua APA (7ú heag.)
Samuelson, P. A., & Nordhaus, W. D. (2012). Economics (19 th ed.). Tata Mcgraw Hill Education.
Lua i Stíl Chicago (17ú heag.)
Samuelson, Paul A., agus William D. Nordhaus. Economics. 19 th ed. New Delhi: Tata Mcgraw Hill Education, 2012.
Lua MLA (9ú heag.)
Samuelson, Paul A., agus William D. Nordhaus. Economics. 19 th ed. Tata Mcgraw Hill Education, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.