APA引文

ebrary, Inc, & Dawsen, C. J. (2011). Geographic information systems. Nova Science Publishers.

Chicago Style (17th ed.) Citation

ebrary, Inc, and Christopher J. Dawsen. Geographic Information Systems. New York: Nova Science Publishers, 2011.

MLA引文

ebrary, Inc, and Christopher J. Dawsen. Geographic Information Systems. Nova Science Publishers, 2011.