APA (7e ed.) Bronvermelding

Walstad, W. B., & Bingham, R. C. (2002). Study guide to accompany McConnell and Brue economics (15th ed.). McGraw-Hill/Irwin.

Chicago (17e ed.) Bronvermelding

Walstad, William B., en Robert C. Bingham. Study Guide to Accompany McConnell and Brue Economics. 15th ed. Boston, MA: McGraw-Hill/Irwin, 2002.

MLA (9e ed.) Bronvermelding

Walstad, William B., en Robert C. Bingham. Study Guide to Accompany McConnell and Brue Economics. 15th ed. McGraw-Hill/Irwin, 2002.