एपीए उद्धरण

Kelley, D. S. (2001). Pro / ENGINEER instructor. Boston, Mass: McGraw Hill.

शिकागो स्टाइल उद्धरण

Kelley, David S. Pro / ENGINEER Instructor. Boston, Mass: McGraw Hill, 2001.

एमएलए उद्धरण

Kelley, David S. Pro / ENGINEER Instructor. Boston, Mass: McGraw Hill, 2001.