American Psychological Association 6th edition

Koop, G. [ca. 2008]. Introduction to econometrics [Book]. Chichester: Wiley.

ISO-690 (author-date, English)

KOOP, Gary, 2008. Introduction to econometrics. Chichester: Wiley. ISBN 9780470032701.

Modern Language Association 9th edition

Koop, G. Introduction to econometrics. book, Wiley, 2008.

Mohr Siebeck - Recht (Deutsch - Österreich)

Koop, Gary: Introduction to econometrics, Chichester 2008.

Emerald - Harvard

Koop, G. (2008), Introduction to econometrics, Bd. , Wiley, Chichester.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.