APA-referens (7:e uppl.)
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.
Chicago-referens (17:e uppl.)
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.
MLA-referens (9:e uppl.)
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.
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