Cita APA (7th ed.)
Clarke, K. C., & Parks, B. O. (2004). Geographic information systems and environmental modeling. Prentice Hall of India.
Cita Chicago (17th ed.)
Clarke, Keith C., i Bradley O/Crane Parks. Geographic Information Systems and Environmental Modeling. New Delhi: Prentice Hall of India, 2004.
Cita MLA (9th ed.)
Clarke, Keith C., i Bradley O/Crane Parks. Geographic Information Systems and Environmental Modeling. Prentice Hall of India, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.