Cita APA (7a ed.)

Somekh, B., & Lewin, C. (2005). Research methods in the social sciences. SAGE.

Cita Chicago Style (17a ed.)

Somekh, Bridget, y Cathy Lewin. Research Methods in the Social Sciences. London: SAGE, 2005.

Cita MLA (9a ed.)

Somekh, Bridget, y Cathy Lewin. Research Methods in the Social Sciences. SAGE, 2005.