APA (7e ed.) Bronvermelding

Samuelson, P. A., Nordhaus, W. D., & Mandel, M. J. (1995). Economics (15th ed.). McGraw-Hill.

Chicago (17e ed.) Bronvermelding

Samuelson, Paul Anthony, William D. Nordhaus, en Michael J. Mandel. Economics. 15th ed. New York: McGraw-Hill, 1995.

MLA (8e ed.) Bronvermelding

Samuelson, Paul Anthony, et al. Economics. 15th ed. McGraw-Hill, 1995.