Dyfyniad APA

Ross, S. M. (2005). Introductory statistics (with CD) (2nd.). Elsevier International.

Dyfyniad Arddull Chicago

Ross, Sheldon M. Introductory Statistics (with CD). 2nd. Amsterdam: Elsevier International, 2005.

Dyfyniad MLA

Ross, Sheldon M. Introductory Statistics (with CD). 2nd. Elsevier International, 2005.

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