Wellington, J. J., & Szczerbiński, M. (2007). Research methods for the social sciences. Continuum International Pub. Group.
Čikaški stil citiranja (17. izdanje)Wellington, J. J., i Marcin Szczerbiński. Research Methods for the Social Sciences. London ; New York: Continuum International Pub. Group, 2007.
MLA način citiranja (9. izdanje)Wellington, J. J., i Marcin Szczerbiński. Research Methods for the Social Sciences. Continuum International Pub. Group, 2007.
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