Cita APA (7a ed.)

Patton, M. Q. (2002). Qualitative research & evaluation methods (3. ed.). Sage.

Cita Chicago Style (17a ed.)

Patton, Michael Quinn. Qualitative Research & Evaluation Methods. 3. ed. Thousand Oaks, Calif. [u.a.]: Sage, 2002.

Cita MLA (9a ed.)

Patton, Michael Quinn. Qualitative Research & Evaluation Methods. 3. ed. Sage, 2002.