Yin, R. K. (1994). Case study research: Design and methods (2nd ed.). Sage Publications.
Lua i Stíl Chicago (17ú heag.)Yin, Robert K. Case Study Research: Design and Methods. 2nd ed. Thousand Oaks: Sage Publications, 1994.
Lua MLA (8ú heag.)Yin, Robert K. Case Study Research: Design and Methods. 2nd ed. Sage Publications, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.