Tucker, I. B. (2008). Essentials of economics (6th ed.). South-Western Cengage Learning.
Citazione stile Chigago Style (17a edizione)Tucker, Irvin B. Essentials of Economics. 6th ed. Mason, OH: South-Western Cengage Learning, 2008.
Citatione MLA (9a ed.)Tucker, Irvin B. Essentials of Economics. 6th ed. South-Western Cengage Learning, 2008.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.