APA (7th ed.) Zitazioa

Gujarati, D. N., & Porter, D. C. (2010). Essentials of econometrics (4th edition.). McGraw-Hill.

Chicago Style (17th ed.) Zitazioa

Gujarati, Damodar N., eta Dawn C. Porter. Essentials of Econometrics. 4th edition. New York: McGraw-Hill, 2010.

MLA (9th ed.) Zitazioa

Gujarati, Damodar N., eta Dawn C. Porter. Essentials of Econometrics. 4th edition. McGraw-Hill, 2010.