Bolton, T. H. (1967). Public and company meetings. Secretaries journal limited.
Chicago Style aipamenaBolton, T. Hughes. Public and Company Meetings. London: Secretaries journal limited, 1967.
MLA aipamenaBolton, T. Hughes. Public and Company Meetings. Secretaries journal limited, 1967.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.