Gujarati,Damodar. Basic econometrics. McGraw Hill Book Company.
Chicago Style aipamenaGujarati,Damodar. Basic Econometrics. New York: McGraw Hill Book Company.
MLA aipamenaGujarati,Damodar. Basic Econometrics. McGraw Hill Book Company.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.