Παραπομπή σε μορφή APA (7η εκδ.)

Clarke, K. C. (2001). Getting started with geographic information systems (3rd ed.). Prentice Hall.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Clarke, Keith C. Getting Started with Geographic Information Systems. 3rd ed. Upper Saddle River, N.J: Prentice Hall, 2001.

Παραπομπή σε μορφή MLA (9th εκδ.)

Clarke, Keith C. Getting Started with Geographic Information Systems. 3rd ed. Prentice Hall, 2001.