Παραπομπή σε μορφή APA (7η εκδ.)

Clarke, K. C. (1999). Getting started with geographic information systems (2nd ed.). Prentice Hall.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Clarke, Keith C. Getting Started with Geographic Information Systems. 2nd ed. New Jersey: Prentice Hall, 1999.

Παραπομπή σε μορφή MLA (8th εκδ.)

Clarke, Keith C. Getting Started with Geographic Information Systems. 2nd ed. Prentice Hall, 1999.