APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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