APA aipamena

Worboys, M., & Duckham, M. (2004). GIS: A computing perspective (2nd ed.). CRC Press.

Chicago Style aipamena

Worboys, Michael, and Matt Duckham. GIS: A Computing Perspective. 2nd ed. Boca Raton, Fla.: CRC Press, 2004.

MLA aipamena

Worboys, Michael, and Matt Duckham. GIS: A Computing Perspective. 2nd ed. CRC Press, 2004.

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