Dyfyniad APA

Crabtree, B. F. M. (1999). Doing qualitative research (2nd-ed.). SAGE Publications, Inc.

Dyfyniad Arddull Chicago

Crabtree, Benjamin F. Miller. Doing Qualitative Research. 2nd-ed. London: SAGE Publications, Inc, 1999.

Dyfyniad MLA

Crabtree, Benjamin F. Miller. Doing Qualitative Research. 2nd-ed. SAGE Publications, Inc, 1999.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.