Dyfyniad APA

Lovett, A. (2008). GIS for environmental decision making. CRC.

Dyfyniad Arddull Chicago

Lovett, Andrew. GIS for Environmental Decision Making. Boca Raton: CRC, 2008.

Dyfyniad MLA

Lovett, Andrew. GIS for Environmental Decision Making. CRC, 2008.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.