Style de citation APA (7e éd.)
Graser, A. (2014). Learning QGIS: Use QGIS to create great maps and perform all the geoprocessing tasks you need (Second edition.). Packt Publishing.
Style de citation Chicago (17e éd.)
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.
Style de citation MLA (9e éd.)
Graser, Anita. Learning QGIS: Use QGIS to Create Great Maps and Perform All the Geoprocessing Tasks You Need. Second edition. Packt Publishing, 2014.
Attention : ces citations peuvent ne pas être correctes à 100%.