Lua APA (7ú heag.)

Heyne, P. T. (2000). The economic way of thinking (9th ed.). Prentice Hall.

Lua i Stíl Chicago (17ú heag.)

Heyne, Paul T. The Economic Way of Thinking. 9th ed. Upper Saddle River, NJ: Prentice Hall, 2000.

Lua MLA (9ú heag.)

Heyne, Paul T. The Economic Way of Thinking. 9th ed. Prentice Hall, 2000.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.