Patton, M. Q. (1987). How to use qualitative methods in evaluation. Sage Publications.
Citazione stile Chigago Style (17a edizione)Patton, Michael Quinn. How to Use Qualitative Methods in Evaluation. Newbury Park, Calif.: Sage Publications, 1987.
Citatione MLA (8a ed.)Patton, Michael Quinn. How to Use Qualitative Methods in Evaluation. Sage Publications, 1987.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.