Webster, T. J. (2003). Managerial Economics. Elsevier.
Lua i Stíl Chicago (17ú heag.)Webster, Thomas J. Managerial Economics. New Delhi: Elsevier, 2003.
Lua MLA (9ú heag.)Webster, Thomas J. Managerial Economics. Elsevier, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.