Hall, L. (1969). Company Secretarial Practice (2nd.). McDonald and Evans.
Chicago Style aipamenaHall, L. Company Secretarial Practice. 2nd. London: McDonald and Evans, 1969.
MLA aipamenaHall, L. Company Secretarial Practice. 2nd. McDonald and Evans, 1969.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.