Clayton, K. N. (1984). Introduction to statistics: For psychology and education. Charles E Merril.
Lua i Stíl Chicago (17ú heag.)Clayton, Keith N. Introduction to Statistics: For Psychology and Education. Columbus: Charles E Merril, 1984.
Lua MLA (9ú heag.)Clayton, Keith N. Introduction to Statistics: For Psychology and Education. Charles E Merril, 1984.
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