Douglas, W. J. (1995). Environmental GIS, application to industrial facilities. Lewis Publishers.
Chicago (17e ed.) BronvermeldingDouglas, William J. Environmental GIS, Application to Industrial Facilities. Boca Raton: Lewis Publishers, 1995.
MLA (9e ed.) BronvermeldingDouglas, William J. Environmental GIS, Application to Industrial Facilities. Lewis Publishers, 1995.
Let op: Deze citaties zijn niet altijd 100% accuraat.