Hooper, S. P. (1961). Management survey/2e. Sir isaac pitnman.
Chicago Style aipamenaHooper, Sir Prederic. Management Survey/2e. London: Sir isaac pitnman, 1961.
MLA aipamenaHooper, Sir Prederic. Management Survey/2e. Sir isaac pitnman, 1961.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.