Cita APA (7th ed.)

Somekh Bridget & Lewin Cathy. (2005). Research Methods in the Social Science. SAGE.

Cita Chicago (17th ed.)

Somekh Bridget i Lewin Cathy. Research Methods in the Social Science. London: SAGE, 2005.

Cita MLA (9th ed.)

Somekh Bridget i Lewin Cathy. Research Methods in the Social Science. SAGE, 2005.