APA Citatie

Samuelson, P. A., & Nordhaus, W. D. (2010). Economics (19th ed.). McGraw-Hill Irwin.

Chicago Style citaat

Samuelson, Paul A., en William D. Nordhaus. Economics. 19th ed. New Delhi: McGraw-Hill Irwin, 2010.

MLA citatie

Samuelson, Paul A., en William D. Nordhaus. Economics. 19th ed. McGraw-Hill Irwin, 2010.