Guilford, J., & Fruchter, B. (1973). Fundamental statistics in psychology and education (5th ed.). New york.
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Chicago-čujuhus (17. p.)
Guilford, J.P, juo Benjamin Fruchter. Fundamental Statistics in Psychology and Education. 5th ed. McGraw-Hill: New york, 1973.
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MLA-čujuhus (9. p.)
Guilford, J.P, juo Benjamin Fruchter. Fundamental Statistics in Psychology and Education. 5th ed. New york, 1973.
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