Farkas, G. (2017). Practical GIS: Use tools such as QGIS, PostGIS, and GeoServer to build powerful GIS solutions. Packt.
Chicago Style (17th ed.) CitationFarkas, Gábor. Practical GIS: Use Tools Such as QGIS, PostGIS, and GeoServer to Build Powerful GIS Solutions. Birmingham ; Mumbai: Packt, 2017.
MLA (9th ed.) CitationFarkas, Gábor. Practical GIS: Use Tools Such as QGIS, PostGIS, and GeoServer to Build Powerful GIS Solutions. Packt, 2017.
Warning: These citations may not always be 100% accurate.