Gaya APA

Beutler, G., Webber, R, H, P, S, R. (2005). Geodemographics, GIS and neighbourhood targeting . England: John Wiley & Sons.

Gaya MLA

Beutler, Gerhard., Webber, Richard, Harris;, Peter, Sleight;, Richard. "Geodemographics, GIS and neighbourhood targeting". England: John Wiley & Sons, 2005. Text.