Douglas, W. J. (1995). Environmental GIS: Applications to industrial facilities. Lewis Publishers.
Cita Chicago (17th ed.)Douglas, William J. Environmental GIS: Applications to Industrial Facilities. Boca Raton, FL: Lewis Publishers, 1995.
Cita MLA (8th ed.)Douglas, William J. Environmental GIS: Applications to Industrial Facilities. Lewis Publishers, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.