Cita APA

Reference Division Central Office of Information. (1974). Steel. London: Her Majesty's Stationery Office.

Chicago Style Citation

Reference Division Central Office of Information. Steel. London: Her Majesty's Stationery Office, 1974.

Cita MLA

Reference Division Central Office of Information. Steel. London: Her Majesty's Stationery Office, 1974.

Atenció: Aquestes cites poden no estar 100% correctes.