Dyfyniad APA

Keller, G., & Warrack, B. (1991). Essentials of business statistics: A systematic approach. Wadsworth Pub. Co..

Dyfyniad Arddull Chicago

Keller, Gerald, and Brian Warrack. Essentials of Business Statistics: A Systematic Approach. Belmont, Calif.: Wadsworth Pub. Co., 1991.

Dyfyniad MLA

Keller, Gerald, and Brian Warrack. Essentials of Business Statistics: A Systematic Approach. Wadsworth Pub. Co., 1991.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.