Beins, B., C. (2019). Research Methods and Statistics in Psychology (2nd.). Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Beins, Bernard, C. Research Methods and Statistics in Psychology. 2nd. Cambridge University Press, 2019.
Lua MLA (9ú heag.)Beins, Bernard, C. Research Methods and Statistics in Psychology. 2nd. Cambridge University Press, 2019.
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