Dyfyniad APA
Keller, G., Bartel, H., & Warrack, B. (1988). Statistics for management and Economics: A systematic approach. Duxbury.
Dyfyniad Arddull Chicago
Keller, Gerald, Henry Bartel, and Brian Warrack. Statistics for Management and Economics: A Systematic Approach. Belmont: Duxbury, 1988.
Dyfyniad MLA
Keller, Gerald, et al. Statistics for Management and Economics: A Systematic Approach. Duxbury, 1988.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.