Leary, M. R. (1995). Introduction to behavioral research methods (2nd.ed.). Brokes/Cole.
Chicago-čujuhus (17. p.)Leary, Mark R. Introduction to Behavioral Research Methods. 2nd.ed. Pacific Grove: Brokes/Cole, 1995.
MLA-čujuhus (9. p.)Leary, Mark R. Introduction to Behavioral Research Methods. 2nd.ed. Brokes/Cole, 1995.
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