एपीए उद्धरण

Hugh F Keedy. (1988). Introduction To CAD Using CADKEY. PWS Computer Science.

शिकागो स्टाइल उद्धरण

Hugh F Keedy. Introduction To CAD Using CADKEY. PWS Computer Science, 1988.

एमएलए उद्धरण

Hugh F Keedy. Introduction To CAD Using CADKEY. PWS Computer Science, 1988.