Gschwend, T., & Schimmelfennig, F. (2007). Research design in political science: How to practice what they preach. Palgrave Macmillan.
Chicago-viite (17. p.)Gschwend, Thomas, ja Frank Schimmelfennig. Research Design in Political Science: How to Practice What They Preach. Houndmills, Basingstoke, Hants: Palgrave Macmillan, 2007.
MLA-viite (9. p.)Gschwend, Thomas, ja Frank Schimmelfennig. Research Design in Political Science: How to Practice What They Preach. Palgrave Macmillan, 2007.
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