Gujarati, D. N. (2009). Basic econometrics. McGraw-Hill Irwin.
Chicago Style aipamenaGujarati, Damodar N. Basic Econometrics. McGraw-Hill Irwin, 2009.
MLA aipamenaGujarati, Damodar N. Basic Econometrics. McGraw-Hill Irwin, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.