Παραπομπή APA

Gartner, G., Cartwright, W., & Peterson, M. P. (2007). Location based services and telecartography. Berlin: Springer.

Παραπομπή Chicago Style

Gartner, Georg, William Cartwright, and Michael P. Peterson. Location Based Services and Telecartography. Berlin: Springer, 2007.

Παραπομπή MLA

Gartner, Georg, William Cartwright, and Michael P. Peterson. Location Based Services and Telecartography. Berlin: Springer, 2007.

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