Dyfyniad APA

Levin, R. I., & Rubin, D. S. (1997). Statistics for management (7th ed.). Prentice Hall.

Dyfyniad Arddull Chicago

Levin, Richard I., and David S. Rubin. Statistics for Management. 7th ed. Upper Saddle River, N.J.: Prentice Hall, 1997.

Dyfyniad MLA

Levin, Richard I., and David S. Rubin. Statistics for Management. 7th ed. Prentice Hall, 1997.

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