Cita APA

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

Chicago Style Citation

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

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.