Citazione APA

Helen Gavin. (2008). Understanding research methods and statistics in psychology. Sage.

Stile di citazione Chicago

Helen Gavin. Understanding Research Methods and Statistics in Psychology. London: Sage, 2008.

Citazione MLA

Helen Gavin. Understanding Research Methods and Statistics in Psychology. Sage, 2008.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.