American Psychological Association
Gavin, Helen ( 2008 ). Understanding Research Methods and Statistics in Psychology ( 00 ed. ). Sage Publications.
Modern Language Association
Gavin, Helen. Understanding Research Methods and Statistics in Psychology . Sage Publications. 2008
Chicago Citation
Gavin, Helen. Understanding Research Methods and Statistics in Psychology . 00 .New Delhi
: Sage Publications, 2008.
American Medical Association
Gavin, Helen. Understanding Research Methods and Statistics in Psychology . Sage Publications; 2008.
