Ragin, C. C. (2009). Configurational comparative methods: Qualitative comparative analysis (QCA) and related techniques. Sage.
Lua i Stíl Chicago (17ú heag.)Ragin, Charles C. Configurational Comparative Methods: Qualitative Comparative Analysis (QCA) and Related Techniques. Thousand Oaks: Sage, 2009.
Lua MLA (9ú heag.)Ragin, Charles C. Configurational Comparative Methods: Qualitative Comparative Analysis (QCA) and Related Techniques. Sage, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.