Creswell, J. W., & Poth, C. N. (2018). Qualitative inquiry & research design: Choosing among five approaches (Fourth edition.). SAGE.
Lua i Stíl Chicago (17ú heag.)Creswell, John W., agus Cheryl N. Poth. Qualitative Inquiry & Research Design: Choosing Among Five Approaches. Fourth edition. Los Angeles: SAGE, 2018.
Lua MLA (8ú heag.)Creswell, John W., agus Cheryl N. Poth. Qualitative Inquiry & Research Design: Choosing Among Five Approaches. Fourth edition. SAGE, 2018.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.