Guilford, Joy Paul, 1897-1987
Fundamental statistics in psychology and education
McGraw-Hill , 1978
 Buku Teks
Guilford, Joy Paul, 1897-1987
Fundamental statistics in psychology and education
McGraw-Hill, 1987
 Buku Teks
Guilford, Joy Paul, 1897-1987
Fundamental statistics in psychology and education
McGraw-Hill Book Company,Inc., 1956
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Elifson, Kirk W., 1943-
Fundamental of social statistic
McGraw-Hill, 1990
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Bogardus, Emory S.
Fundamental of social psychology
Appleton-Century-Crofts , 1942
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