एपीए उद्धरण

D.Helsel Jay, & Jensen Cecil H. (2001). Engineering Drawing and Design, Workbook. American: McGraw -Hill.

शिकागो स्टाइल उद्धरण

D.Helsel Jay, और Jensen Cecil H. Engineering Drawing and Design, Workbook. American: McGraw -Hill, 2001.

एमएलए उद्धरण

D.Helsel Jay, और Jensen Cecil H. Engineering Drawing and Design, Workbook. American: McGraw -Hill, 2001.