एपीए उद्धरण

(1987). The steel marketin 1986 and the outlook for 1987. Paris: OECD.

शिकागो स्टाइल उद्धरण

The Steel Marketin 1986 and the Outlook for 1987. Paris: OECD, 1987.

एमएलए उद्धरण

The Steel Marketin 1986 and the Outlook for 1987. Paris: OECD, 1987.