Cita APA (7th ed.)

Crabtree, B. F., & Miller, W. L. (1992). Doing qualitative research. Sage.

Cita Chicago (17th ed.)

Crabtree, Benjamin F., i William L. Miller. Doing Qualitative Research. Newbury Park, Calif: Sage, 1992.

Cita MLA (9th ed.)

Crabtree, Benjamin F., i William L. Miller. Doing Qualitative Research. Sage, 1992.