Nunnally, J. C. (1967). Psychometric Theory. McGraw-Hill.
Chicago Style aipamenaNunnally, Jum C. Psychometric Theory. New York: McGraw-Hill, 1967.
MLA aipamenaNunnally, Jum C. Psychometric Theory. McGraw-Hill, 1967.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.