APA-čujuhus (7. p.)
Berg, B. L. (2007). Qualitative research methods for the social sciences (6th ed.). Pearson, Allyn and Bacon.
Chicago-čujuhus (17. p.)
Berg, Bruce L. Qualitative Research Methods for the Social Sciences. 6th ed. Boston, New York: Pearson, Allyn and Bacon, 2007.
MLA-čujuhus (9. p.)
Berg, Bruce L. Qualitative Research Methods for the Social Sciences. 6th ed. Pearson, Allyn and Bacon, 2007.
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