APA-čujuhus (7. p.)
Clarke, K. C., & Parks, B. O. (2004). Geographic information systems and environmental modeling. Prentice Hall of India.
Chicago-čujuhus (17. p.)
Clarke, Keith C., juo Bradley O/Crane Parks. Geographic Information Systems and Environmental Modeling. New Delhi: Prentice Hall of India, 2004.
MLA-čujuhus (9. p.)
Clarke, Keith C., juo Bradley O/Crane Parks. Geographic Information Systems and Environmental Modeling. Prentice Hall of India, 2004.
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