एपीए उद्धरण

Earle, J. H. (1973). Engineering design graphics (Ed.2.). Addison - Wesley.

शिकागो स्टाइल उद्धरण

Earle, James H. Engineering Design Graphics. Ed.2. London: Addison - Wesley, 1973.

एमएलए उद्धरण

Earle, James H. Engineering Design Graphics. Ed.2. Addison - Wesley, 1973.