Cita APA (7th ed.)
Westra, E. (2014). Building mapping applications with QGIS: Create your own sophisticated applications to analyze and display geospatial information using QGIS and Python. Packt Publishing.
Cita Chicago (17th ed.)
Westra, Erik. Building Mapping Applications with QGIS: Create Your Own Sophisticated Applications to Analyze and Display Geospatial Information Using QGIS and Python. Birmingham, [England]: Packt Publishing, 2014.
Cita MLA (9th ed.)
Westra, Erik. Building Mapping Applications with QGIS: Create Your Own Sophisticated Applications to Analyze and Display Geospatial Information Using QGIS and Python. Packt Publishing, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.