Cita APA (7th ed.)

KIRK, J., & Miller,Marc L. (1986). Reliability and validity in qualitative research. Sage.

Cita Chicago (17th ed.)

KIRK, Jerome, i Miller,Marc L. Reliability and Validity in Qualitative Research. London: Sage, 1986.

Cita MLA (9th ed.)

KIRK, Jerome, i Miller,Marc L. Reliability and Validity in Qualitative Research. Sage, 1986.