Lua APA (7ú heag.)

GEOGRAPHICAL & MAGUIRE, D. J. [. (1991). Geographical information systems: Principles and appli-cations. Longman.

Lua i Stíl Chicago (17ú heag.)

GEOGRAPHICAL agus David J [ed] MAGUIRE. Geographical Information Systems: Principles and Appli-cations. New York: Longman, 1991.

Lua MLA (9ú heag.)

GEOGRAPHICAL agus David J [ed] MAGUIRE. Geographical Information Systems: Principles and Appli-cations. Longman, 1991.

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