GUJARATI, D. (1992). Essentials Of Economics. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)GUJARATI, Damodar. Essentials Of Economics. McGraw-Hill, 1992.
Lua MLA (8ú heag.)GUJARATI, Damodar. Essentials Of Economics. McGraw-Hill, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.