Association for Geographic Information. (1989). The Association for Geographic Information yearbook. Taylor & Francis ; M. Arnold.
Čikaški stil citiranja (17. izdanje)Association for Geographic Information. The Association for Geographic Information Yearbook. London ; New York : Oxford, OX: Taylor & Francis ; M. Arnold, 1989.
MLA način citiranja (8. izdanje)Association for Geographic Information. The Association for Geographic Information Yearbook. Taylor & Francis ; M. Arnold, 1989.
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