APA-referens (7:e uppl.)

Walstad, W. B., Bingham, R. C., & McConnell, C. R. (1999). Study guide to accompany McConnell and Brue Economics (14th ed.). Irwin/McGraw-Hill.

Chicago-referens (17:e uppl.)

Walstad, William B., Robert C. Bingham, och Campbell R. McConnell. Study Guide to Accompany McConnell and Brue Economics. 14th ed. Boston: Irwin/McGraw-Hill, 1999.

MLA-referens (9:e uppl.)

Walstad, William B., et al. Study Guide to Accompany McConnell and Brue Economics. 14th ed. Irwin/McGraw-Hill, 1999.