Ragin, C. C., & Amoroso, L. M. (2011). Constructing social research: The unity and diversity of method (2nd ed.). Sage.
Lua i Stíl Chicago (17ú heag.)Ragin, Charles C., agus Lisa M. Amoroso. Constructing Social Research: The Unity and Diversity of Method. 2nd ed. Los Angeles: Sage, 2011.
Lua MLA (9ú heag.)Ragin, Charles C., agus Lisa M. Amoroso. Constructing Social Research: The Unity and Diversity of Method. 2nd ed. Sage, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.