Gurjarati, Damodar N. Essentials of econometrics / Damodar N. Gujarati. - 3rd ed. - New York, N. Y. : McGraw-Hill, c2006. - xxii, 553p. : ill. ; 23 cm. Includes bibliographical references, index, and CD. ISBN: 0071244484 Subjects--Topical Terms: Econometrics.