Johnston, J. (1963). Econometric methods. McGraw-Hill.
Chicago Style (17th ed.) ZitazioaJohnston, John. Econometric Methods. New York: McGraw-Hill, 1963.
MLA (9th ed.) ZitazioaJohnston, John. Econometric Methods. McGraw-Hill, 1963.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.