APA-referens (7:e uppl.)
Graser, A. (2014). Learning QGIS: Use QGIS to create great maps and perform all the geoprocessing tasks you need (Second edition.). Packt Publishing.
Chicago-referens (17:e uppl.)
Graser, Anita. Learning QGIS: Use QGIS to Create Great Maps and Perform All the Geoprocessing Tasks You Need. Second edition. Birmingham, [England]: Packt Publishing, 2014.
MLA-referens (9:e uppl.)
Graser, Anita. Learning QGIS: Use QGIS to Create Great Maps and Perform All the Geoprocessing Tasks You Need. Second edition. Packt Publishing, 2014.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.