Dyfyniad APA

Keller, G. (2009). Statistics for management. Cengage learning.

Dyfyniad Arddull Chicago

Keller, Gerald. Statistics for Management. Australia: Cengage learning, 2009.

Dyfyniad MLA

Keller, Gerald. Statistics for Management. Cengage learning, 2009.

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