APA (7e ed.) Bronvermelding
Graser, A. (2014). Learning QGIS: Use QGIS to create great maps and perform all the geoprocessing tasks you need (Second edition.). Packt Publishing.
Chicago (17e ed.) Bronvermelding
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 (9e ed.) Bronvermelding
Graser, Anita. Learning QGIS: Use QGIS to Create Great Maps and Perform All the Geoprocessing Tasks You Need. Second edition. Packt Publishing, 2014.
Let op: Deze citaties zijn niet altijd 100% accuraat.