American Psychological Association 6th edition

Keller, G., & Warrack, B. [ca. 2000]. Statistics for management and economics (5. ed.) [Book]. Pacific Grove, Calif. [u.a.]: Duxbury.

ISO-690 (author-date, English)

KELLER, Gerald und WARRACK, Brian, 2000. Statistics for management and economics. 5. ed. Pacific Grove, Calif. [u.a.]: Duxbury. ISBN 0534368301.

Modern Language Association 9th edition

Keller, G., und B. Warrack. Statistics for management and economics. 5. ed., book, Duxbury, 2000.

Mohr Siebeck - Recht (Deutsch - Österreich)

Keller, Gerald/Warrack, Brian: Statistics for management and economics, 5. ed. Aufl. Pacific Grove, Calif. [u.a.] 2000.

Emerald - Harvard

Keller, G. und Warrack, B. (2000), Statistics for management and economics, 5. ed., Bd. , Duxbury, Pacific Grove, Calif. [u.a.].

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