Mankiw, N. G. (2009). Principles of economics (Fifth edition.). South-Western Cengage Learning.
Lua i Stíl Chicago (17ú heag.)Mankiw, N. Gregory. Principles of Economics. Fifth edition. Mason: South-Western Cengage Learning, 2009.
Lua MLA (9ú heag.)Mankiw, N. Gregory. Principles of Economics. Fifth edition. South-Western Cengage Learning, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.