APA (7th ed.) Zitazioa
Keller, G., & Warrack, B. (1991). Essentials of business statistics: A systematic approach. Wadsworth Pub. Co..
Chicago Style (17th ed.) Zitazioa
Keller, Gerald, eta Brian Warrack. Essentials of Business Statistics: A Systematic Approach. Belmont, Calif.: Wadsworth Pub. Co., 1991.
MLA (9th ed.) Zitazioa
Keller, Gerald, eta Brian Warrack. Essentials of Business Statistics: A Systematic Approach. Wadsworth Pub. Co., 1991.
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