APA (7e ed.) Bronvermelding

McConnell, C. R., & Brue, S. L. (1999). Economics: Principles, problems, and policies (14th ed.). Irwin/McGraw-Hill.

Chicago (17e ed.) Bronvermelding

McConnell, Campbell R., en Stanley L. Brue. Economics: Principles, Problems, and Policies. 14th ed. Boston, MA: Irwin/McGraw-Hill, 1999.

MLA (8e ed.) Bronvermelding

McConnell, Campbell R., en Stanley L. Brue. Economics: Principles, Problems, and Policies. 14th ed. Irwin/McGraw-Hill, 1999.