Theil, H. (1971). Principles of econometrics. Wiley.
Chicago Style (17th ed.) ZitazioaTheil, Henri. Principles of Econometrics. New York: Wiley, 1971.
MLA (9th ed.) ZitazioaTheil, Henri. Principles of Econometrics. Wiley, 1971.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.