APA-čujuhus (7. p.)
Hennink, M., Bailey, A., & Hutter, I. (2011). Qualitative research methods. Sage.
Chicago-čujuhus (17. p.)
Hennink, Monique, Ajay Bailey, juo Inge Hutter. Qualitative Research Methods. Los Angeles: Sage, 2011.
MLA-čujuhus (9. p.)
Hennink, Monique, et al. Qualitative Research Methods. Sage, 2011.
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