Kirk, J., & Miller, M. L. (1986). Reliability and validity in qualitative research. Sage Publications.
Lua i Stíl Chicago (17ú heag.)Kirk, Jerome, agus Marc L. Miller. Reliability and Validity in Qualitative Research. Beverly Hills ; Newbury Park ; New Delhi: Sage Publications, 1986.
Lua MLA (8ú heag.)Kirk, Jerome, agus Marc L. Miller. Reliability and Validity in Qualitative Research. Sage Publications, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.