Likert,Rensis. New Patterns of management. Mc Graw-Hill.
Chicago Style aipamenaLikert,Rensis. New Patterns of Management. New York: Mc Graw-Hill.
MLA aipamenaLikert,Rensis. New Patterns of Management. Mc Graw-Hill.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.