Citazione Stile APA (7a Edizione)

Gwartney, J. D. (1990). Economics: Private and public choice (5th ed.). Harcount brace jovanovich.

Citazione stile Chigago Style (17a edizione)

Gwartney, James D. Economics: Private and Public Choice. 5th ed. San diego: Harcount brace jovanovich, 1990.

Citatione MLA (9a ed.)

Gwartney, James D. Economics: Private and Public Choice. 5th ed. Harcount brace jovanovich, 1990.