Samuelson, P. A., Nordhaus, W. D., & Mandel, M. J. (1995). Economics (15th ed.). McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Samuelson, Paul Anthony, William D. Nordhaus, agus Michael J. Mandel. Economics. 15th ed. New York: McGraw-Hill, 1995.
Lua MLA (8ú heag.)Samuelson, Paul Anthony, et al. Economics. 15th ed. McGraw-Hill, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.