APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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