Guilford, J. P. 1897-1987. Fundamental statistics in psychology and education / J.P. Guilford. - 3rd ed. - New York : McGraw-Hill, 1956. - 565 p. : ill. ; 24 cm. - McGraw-Hill series in psychology . Nat. Bib. No.: GB56-8458 Subjects--Topical Terms: Statistics.Psychology.Education--Statistics. Dewey Class. No.: 310 / GUF 1956