Bibliografia principal:
- Creswell, J. W., & Creswell, J. D. (2018). Research design: Qualitative, quantitative, and mixed methods approaches (5th ed.). Thousand Oaks: Sage Publications.
- Della Porta, D., & Keating, M. (2008). Approaches and methodologies in the social sciences: A pluralist perspective. Cambridge: Cambridge University Press.
- Gerring, J. (2012). Social science methodology: A unified framework (2nd ed.). New York: Cambridge University Press.
- Halperin, S., & Heath, O. (2020). Political research: Methods and practical skills. Oxford: Oxford University Press.
- King, G., Keohane, R., & Verba, S. (1994). Designing social inquiry: Scientific inference in qualitative research. Princeton: Princeton University Press.
- Malici, A., & Smith, E. (Eds.). (2012). Political science research in practice. London/New York: Taylor & Francis.
- Toshkov, D. (2016). Research design in political science. London: Bloomsbury Publishing.