Leary, M. R. (2001). Introduction to behavioral research methods (3rd ed.). Allyn & Bacon.
Chicago-čujuhus (17. p.)Leary, Mark R. Introduction to Behavioral Research Methods. 3rd ed. Boston: Allyn & Bacon, 2001.
MLA-čujuhus (9. p.)Leary, Mark R. Introduction to Behavioral Research Methods. 3rd ed. Allyn & Bacon, 2001.
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