एपीए उद्धरण

(1969). Specification for the use of structural steel in building. British Standards Institution.

शिकागो स्टाइल उद्धरण

Specification for the Use of Structural Steel in Building. London: British Standards Institution, 1969.

एमएलए उद्धरण

Specification for the Use of Structural Steel in Building. British Standards Institution, 1969.