Lange, O. (1978). Introduction to econometrics (4. ed., rev. and enl.). Pergamon Press [u.a.].
Chicago Style (17th ed.) CitationLange, Oskar. Introduction to Econometrics. 4. ed., rev. and enl. Oxford [u.a.]: Pergamon Press [u.a.], 1978.
MLA (9th ed.) CitationLange, Oskar. Introduction to Econometrics. 4. ed., rev. and enl. Pergamon Press [u.a.], 1978.
Warning: These citations may not always be 100% accurate.