Παραπομπή σε μορφή APA (7η εκδ.)

Ralston, B. A. (2002). Developing GIS solutions with MapObjects and Visual Basic. OnWord Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ralston, Bruce A. Developing GIS Solutions with MapObjects and Visual Basic. Australia; Canada: OnWord Press, 2002.

Παραπομπή σε μορφή MLA (9th εκδ.)

Ralston, Bruce A. Developing GIS Solutions with MapObjects and Visual Basic. OnWord Press, 2002.