Marquez, A. (2015). PostGIS essentials: Learn how to build powerful spatial database solutions with PostGIS quickly and efficiently. Packt Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMarquez, Angel. PostGIS Essentials: Learn How to Build Powerful Spatial Database Solutions with PostGIS Quickly and Efficiently. Birmingham: Packt Publishing, 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMarquez, Angel. PostGIS Essentials: Learn How to Build Powerful Spatial Database Solutions with PostGIS Quickly and Efficiently. Packt Publishing, 2015.
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