Wellington, J., & Szczerbiński, M. (2007). Research methods for the social sciences. Continuum International Pub. Group.
Chicago-čujuhus (17. p.)Wellington, Jerry, juo Marcin Szczerbiński. Research Methods for the Social Sciences. London ; New York: Continuum International Pub. Group, 2007.
MLA-čujuhus (9. p.)Wellington, Jerry, juo Marcin Szczerbiński. Research Methods for the Social Sciences. Continuum International Pub. Group, 2007.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.