Paul. M. Mather. (1993). Geographical Information Handling – Research and applications. John Wiley and Sons.
शिकागो स्टाइल उद्धरणPaul. M. Mather. Geographical Information Handling – Research and Applications. John Wiley and Sons, 1993.
एमएलए उद्धरणPaul. M. Mather. Geographical Information Handling – Research and Applications. John Wiley and Sons, 1993.
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