Gujarati, Damodar N. Basic econometrics / Damodar N. Gujarati, Dawn C. Porter. - 5th ed. - Boston : McGraw-Hill Irwin, c2009. - xx, 922 p. : ill. ; ISBN: 9780073375779 (alk. paper) 0073375772 (alk. paper) Subjects--Topical Terms: Econometrics. LC Class. No.: HB139 / .G84 2009