Crabtree, B. F. M. (1999). Doing qualitative research (2nd-ed.). SAGE Publications, Inc.
Chicago (17e ed.) BronvermeldingCrabtree, Benjamin F. Miller. Doing Qualitative Research. 2nd-ed. London: SAGE Publications, Inc, 1999.
MLA (8e ed.) BronvermeldingCrabtree, Benjamin F. Miller. Doing Qualitative Research. 2nd-ed. SAGE Publications, Inc, 1999.
Let op: Deze citaties zijn niet altijd 100% accuraat.