Dyfyniad APA

Wagner, W. E. (2011). Using IBM SPSS Statistics for social statistics and research methods/3rd ed. Sage.

Dyfyniad Arddull Chicago

Wagner, William E. Using IBM SPSS Statistics for Social Statistics and Research Methods/3rd Ed. New Delhi: Sage, 2011.

Dyfyniad MLA

Wagner, William E. Using IBM SPSS Statistics for Social Statistics and Research Methods/3rd Ed. Sage, 2011.

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