एपीए उद्धरण

(1997). Compendex: January - September, 1997. Hoboken (N.J.): Engineering Information, Inc.

शिकागो स्टाइल उद्धरण

Compendex: January - September, 1997. Hoboken (N.J.): Engineering Information, Inc, 1997.

एमएलए उद्धरण

Compendex: January - September, 1997. Hoboken (N.J.): Engineering Information, Inc, 1997.