Citazione Stile APA (7a Edizione)

Bingham, R. C., & Walstad, W. B. (1990). A study guide to accompany McConnell and Brue economics (11th ed.). McGraw- Hill.

Citazione stile Chigago Style (17a edizione)

Bingham, Robert C., e William B. Walstad. A Study Guide to Accompany McConnell and Brue Economics. 11th ed. New York: McGraw- Hill, 1990.

Citatione MLA (9a ed.)

Bingham, Robert C., e William B. Walstad. A Study Guide to Accompany McConnell and Brue Economics. 11th ed. McGraw- Hill, 1990.