Dyfyniad APA

(2007). Statistics for the behavioral sciences Frederick J. Gravetter, Larry B. Wallnau. Thomson.

Dyfyniad Arddull Chicago

Statistics for the Behavioral Sciences Frederick J. Gravetter, Larry B. Wallnau. Thomson, 2007.

Dyfyniad MLA

Statistics for the Behavioral Sciences Frederick J. Gravetter, Larry B. Wallnau. Thomson, 2007.

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