APA aipamena

Keller, G., & Warrack, B. (1998). Statistics for management and economics (4th ed.). Pacific Grove, CA: Duxbury.

Chicago Style aipamena

Keller, Gerald., và Brian Warrack. Statistics for Management and Economics. 4th ed. Pacific Grove, CA: Duxbury, 1998.

MLA aipamena

Keller, Gerald., và Brian Warrack. Statistics for Management and Economics. 4th ed. Pacific Grove, CA: Duxbury, 1998.