ANDERSON DAVID R. (2001). STATISTICS FOR BUSINESS AND ECONOMICS (9th.). Cengage Learning.
Lua i Stíl Chicago (17ú heag.)ANDERSON DAVID R. STATISTICS FOR BUSINESS AND ECONOMICS. 9th. New Delhi: Cengage Learning, 2001.
Lua MLA (9ú heag.)ANDERSON DAVID R. STATISTICS FOR BUSINESS AND ECONOMICS. 9th. Cengage Learning, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.