APA
Maguire D. J. G. M. F. R. D. W., . (1991). Geographical information systems: principles and applications. Harlow: Longman Scientific & Technical.
Chicago
Maguire David J Goodchild Michael F Rhind David W, . 1991. Geographical information systems: principles and applications. Harlow: Longman Scientific & Technical.
Harvard
Maguire D. J. G. M. F. R. D. W., . (1991). Geographical information systems: principles and applications. Harlow: Longman Scientific & Technical.
MLA
Maguire David J Goodchild Michael F Rhind David W, . Geographical information systems: principles and applications. Harlow: Longman Scientific & Technical. 1991.