Laurini, R., Thompson, D., Thompson, D., Thompson, D. 1., Thompson, D., & Thompson, D. (1992). Fundamentals of spatial information systems. London: Academic Press.
Παραπομπή Chicago StyleLaurini, Robert, Derek Thompson, Derek Thompson, Derek 1938- Thompson, Derek Thompson, and Darek Thompson. Fundamentals of Spatial Information Systems. London: Academic Press, 1992.
Παραπομπή MLALaurini, Robert, et al. Fundamentals of Spatial Information Systems. London: Academic Press, 1992.
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