APA aipamena

Somekh,Bridget, & Lewin,Cathy. (2008). Research methods in the social sciences. Vistaar Publications.

Chicago Style aipamena

Somekh,Bridget, and Lewin,Cathy. Research Methods in the Social Sciences. New Delhi: Vistaar Publications, 2008.

MLA aipamena

Somekh,Bridget, and Lewin,Cathy. Research Methods in the Social Sciences. Vistaar Publications, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.