Patton, M. Q. (1987). How to use qualitative methods in evaluation. Sage Publications.
Cita Chicago (17th ed.)Patton, Michael Quinn. How to Use Qualitative Methods in Evaluation. Newbury Park, Calif.: Sage Publications, 1987.
Cita MLA (8th ed.)Patton, Michael Quinn. How to Use Qualitative Methods in Evaluation. Sage Publications, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.