Chang, K. (2006). Introduction to geographic information systems. Boston: McGraw-Hill Higher Education.
शिकागो स्टाइल उद्धरणChang, Kang-Tsung. Introduction to Geographic Information Systems. Boston: McGraw-Hill Higher Education, 2006.
एमएलए उद्धरणChang, Kang-Tsung. Introduction to Geographic Information Systems. Boston: McGraw-Hill Higher Education, 2006.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.