Della Porta, D., & Keating, M. Approaches and methodologies in the social sciences: A pluralist perspective. Cambridge University Press.
Čikaški stil citiranja (17. izdanje)Della Porta, Donatella, i Michael Keating. Approaches and Methodologies in the Social Sciences: A Pluralist Perspective. Inglaterra: Cambridge University Press.
MLA način citiranja (9. izdanje)Della Porta, Donatella, i Michael Keating. Approaches and Methodologies in the Social Sciences: A Pluralist Perspective. Cambridge University Press.
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