APA-referens (7:e uppl.)
Westra, E. (2013). Python geospatial development: Learn to build sophisticated mapping applications from scratch using Python tools for geospatial development (2nd ed.). Packt Pub..
Chicago-referens (17:e uppl.)
Westra, Erik. Python Geospatial Development: Learn to Build Sophisticated Mapping Applications from Scratch Using Python Tools for Geospatial Development. 2nd ed. Birmingham: Packt Pub., 2013.
MLA-referens (9:e uppl.)
Westra, Erik. Python Geospatial Development: Learn to Build Sophisticated Mapping Applications from Scratch Using Python Tools for Geospatial Development. 2nd ed. Packt Pub., 2013.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.