Rossman, G. B., & Rallis, S. (2012). Learning in the field: An introduction to qualitative research (3rd ed.). Sage.
Lua i Stíl Chicago (17ú heag.)Rossman, Gretchen B., agus Sharon Rallis. Learning in the Field: An Introduction to Qualitative Research. 3rd ed. Los Angeles: Sage, 2012.
Lua MLA (9ú heag.)Rossman, Gretchen B., agus Sharon Rallis. Learning in the Field: An Introduction to Qualitative Research. 3rd ed. Sage, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.