Ferguson, George A. Statistical Analysis in Psychology and Education. - ed. 5. - Auckland: McGraw-Hill International book Company, 1982. - x, 549p. 21 cm. ISBN: 0070204829 Subjects--Topical Terms: StatistikaPendidikan--StatistikPsikometriks LC Class. No.: QA276.12 / .F45 1981 Dewey Class. No.: 519.5