Ferguson, George A. Statistical analysis in psychology and education / George A. Ferguson. - 5th ed. - New York : McGraw-Hill, 1981. - 549 p. : ill. ; 21cm. - McGraw-Hill series in psychology. . Juga dalam Perpustakaan Perubatan Bibliography: p.(514)-549. ISBN: 0070204829 LCCN: 80-19584 Subjects--Topical Terms: Statistics.Psychometrics.Education--Statistics.