British Steel Corporation. (1974). Annual Report and Accounts 1976-1974. Westerham Press.
Chicago Style aipamenaBritish Steel Corporation. Annual Report and Accounts 1976-1974. Westerham Press, 1974.
MLA aipamenaBritish Steel Corporation. Annual Report and Accounts 1976-1974. Westerham Press, 1974.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.