WITTINK, D. R. (1988). The Application Of Regression Analysis. Allyn and Bacon.
Lua i Stíl Chicago (17ú heag.)WITTINK, Dick R. The Application Of Regression Analysis. Allyn and Bacon, 1988.
Lua MLA (8ú heag.)WITTINK, Dick R. The Application Of Regression Analysis. Allyn and Bacon, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.