Gaya APA

Lingga, H, D., Davis, D, E. (2003). GIS for everyone: exploring your neighborhood and your world with a geographic information system . California: ESRI Press.

Gaya MLA

Lingga, Hotben, D.., Davis, David, E.. "GIS for everyone: exploring your neighborhood and your world with a geographic information system". California: ESRI Press, 2003. Cetak.