Citazione Stile APA (7a Edizione)

Walstad, W. B. (1999). Study guide to accompany McConnell and Brue economics (14th ed.). Irwin/McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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