Gaya APA

Parr, W, E, H, E, M, F, B. (2004). ArcGIS and the digital city: a hands-on approach for local government . California: ESRI Press.

Gaya MLA

Parr, William, E., Huxhold;, Erie, M., Fowler;, Brian. "ArcGIS and the digital city: a hands-on approach for local government". California: ESRI Press, 2004. Cetak.