APA-Zitierstil (7. Ausg.)

Keller, G., & Warrack, B. (1997). Statistics for management and economics (4a. ed.). International Thomson.

Chicago-Zitierstil (17. Ausg.)

Keller, Gerald, und Brian Warrack. Statistics for Management and Economics. 4a. ed. Belmont: International Thomson, 1997.

MLA-Zitierstil (9. Ausg.)

Keller, Gerald, und Brian Warrack. Statistics for Management and Economics. 4a. ed. International Thomson, 1997.