APA (7th ed.) Zitazioa

Wellington, J., & Szczerbiński, M. (2007). Research methods for the social sciences. Continuum International Pub. Group.

Chicago Style (17th ed.) Zitazioa

Wellington, Jerry, eta Marcin Szczerbiński. Research Methods for the Social Sciences. London ; New York: Continuum International Pub. Group, 2007.

MLA (9th ed.) Zitazioa

Wellington, Jerry, eta Marcin Szczerbiński. Research Methods for the Social Sciences. Continuum International Pub. Group, 2007.

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