APA-čujuhus (7. p.)
Patton, M. Q. (2001). Qualitative research and evaluation and methods (3rd ed.). Sage publ..
Chicago-čujuhus (17. p.)
Patton, Michael Quinn. Qualitative Research and Evaluation and Methods. 3rd ed. London: Sage publ., 2001.
MLA-čujuhus (9. p.)
Patton, Michael Quinn. Qualitative Research and Evaluation and Methods. 3rd ed. Sage publ., 2001.
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