APA-viite (7. p.)

Demers , . M. N. (2000). Fundamentals of geographic information systems (2nd ed.). J. Wiley.

Chicago-viite (17. p.)

Demers , Michael N. Fundamentals of Geographic Information Systems. 2nd ed. New York: J. Wiley, 2000.

MLA-viite (9. p.)

Demers , Michael N. Fundamentals of Geographic Information Systems. 2nd ed. J. Wiley, 2000.