Gujarati, D. N., Porter, D. C., & Gunasekar, S. (2013). Basic econometrics (5th ed.). McGraw Hill Education.
Chicago Style aipamenaGujarati, Damodar N., Dawn C. Porter, and Sangeetha Gunasekar. Basic Econometrics. 5th ed. New Delhi: McGraw Hill Education, 2013.
MLA aipamenaGujarati, Damodar N., et al. Basic Econometrics. 5th ed. McGraw Hill Education, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.