Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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