एपीए उद्धरण

Harmon, J. E. (2003). The Design and Implementation of Geographic Information Systems. Wiley & Sons, Inc..

शिकागो स्टाइल उद्धरण

Harmon, John E.. The Design and Implementation of Geographic Information Systems. Wiley & Sons, Inc., 2003.

एमएलए उद्धरण

Harmon, John E.. The Design and Implementation of Geographic Information Systems. Wiley & Sons, Inc., 2003.