एपीए उद्धरण

British Steel Corporation. (1974). Annual Report and Accounts 1976-1974. Westerham Press.

शिकागो स्टाइल उद्धरण

British Steel Corporation. Annual Report and Accounts 1976-1974. Westerham Press, 1974.

एमएलए उद्धरण

British Steel Corporation. Annual Report and Accounts 1976-1974. Westerham Press, 1974.