APA-čujuhus (7. p.)
Breakwell, G. M., Smith, J. A., & Wright, D. B. (2012). Research methods in psychology (4th ed.). Sage.
Chicago-čujuhus (17. p.)
Breakwell, Glynis M., Jonathan A. Smith, juo Daniel B. Wright. Research Methods in Psychology. 4th ed. Los Angeles: Sage, 2012.
MLA-čujuhus (9. p.)
Breakwell, Glynis M., et al. Research Methods in Psychology. 4th ed. Sage, 2012.
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