Garrett, H. (1967). Statistics in psychology & education (4th.). Fetter & Simons.
Chicago-čujuhus (17. p.)Garrett, H. Statistics in Psychology & Education. 4th. Bombay: Fetter & Simons, 1967.
MLA-čujuhus (9. p.)Garrett, H. Statistics in Psychology & Education. 4th. Fetter & Simons, 1967.
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