Dyfyniad APA

Williams, T. A., Anderson, D. R., & Sweeney, D. J. (2007). Essentials of contemporary business statistics. Mason, OH: Thomson/South-Western.

Dyfyniad Arddull Chicago

Williams, Thomas A., David R. Anderson, và Dennis J. Sweeney. Essentials of Contemporary Business Statistics. Mason, OH: Thomson/South-Western, 2007.

Dyfyniad MLA

Williams, Thomas A., David R. Anderson, và Dennis J. Sweeney. Essentials of Contemporary Business Statistics. Mason, OH: Thomson/South-Western, 2007.

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