एपीए उद्धरण

International Labour Organisation Programme of Industrial Activities. (1977). General Report: Metal Trades Committee. Geneva: International Labour Office.

शिकागो स्टाइल उद्धरण

International Labour Organisation Programme of Industrial Activities. General Report: Metal Trades Committee. Geneva: International Labour Office, 1977.

एमएलए उद्धरण

International Labour Organisation Programme of Industrial Activities. General Report: Metal Trades Committee. Geneva: International Labour Office, 1977.