Guilford, J. P. Psychometric methods / J. P. Guilford. - 2nd ed. - New Delhi : TATA Mcgraw-Hill publishing, 1975. - ix, 597 p. ; ill. ; 22 cm. - McGraw-Hill series in psychology. . Includes index. 337 337 Subjects--Topical Terms: Psychometric. Dewey Class. No.: 152.8 / G32p