Crabtree, B. F. M. (1999). Doing qualitative research (2nd-ed.). SAGE Publications, Inc.
Cita Chicago Style (17a ed.)Crabtree, Benjamin F. Miller. Doing Qualitative Research. 2nd-ed. London: SAGE Publications, Inc, 1999.
Cita MLA (8a ed.)Crabtree, Benjamin F. Miller. Doing Qualitative Research. 2nd-ed. SAGE Publications, Inc, 1999.
Precaución: Estas citas no son 100% exactas.