Dyfyniad APA

Field Andy. (2013). Discovering Statistics using IBM spss statistics (4th.). Sage Pub.

Dyfyniad Arddull Chicago

Field Andy. Discovering Statistics Using IBM Spss Statistics. 4th. London: Sage Pub, 2013.

Dyfyniad MLA

Field Andy. Discovering Statistics Using IBM Spss Statistics. 4th. Sage Pub, 2013.

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