Dyfyniad APA

Spiegel Murray. (2014). Statistics. McGraw Hill Education.

Dyfyniad Arddull Chicago

Spiegel Murray. Statistics. New York: McGraw Hill Education, 2014.

Dyfyniad MLA

Spiegel Murray. Statistics. McGraw Hill Education, 2014.

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