Theil, H. (1978). Introduction to econometrics. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Theil, Henri. Introduction to Econometrics. Englewood Cliffs, N.J.: Prentice-Hall, 1978.
Lua MLA (9ú heag.)Theil, Henri. Introduction to Econometrics. Prentice-Hall, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.