Dyfyniad APA

Cunningham, J. B., & Aldrich, J. O. (2012). Using SPSS: An interactive hands- on approach. Sage publications.

Dyfyniad Arddull Chicago

Cunningham, James B., and James O. Aldrich. Using SPSS: An Interactive Hands- on Approach. London: Sage publications, 2012.

Dyfyniad MLA

Cunningham, James B., and James O. Aldrich. Using SPSS: An Interactive Hands- on Approach. Sage publications, 2012.

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