Cita APA (7th ed.)
Hazzard, E. (2011). OpenLayers 2.10 beginner's guide: Create, optimize, and deploy stunning cross-browser web maps with the OpenLayers JavaScript web-mapping library. Packt Open Source.
Cita Chicago (17th ed.)
Hazzard, Erik. OpenLayers 2.10 Beginner's Guide: Create, Optimize, and Deploy Stunning Cross-browser Web Maps with the OpenLayers JavaScript Web-mapping Library. Birmingham, U.K.: Packt Open Source, 2011.
Cita MLA (9th ed.)
Hazzard, Erik. OpenLayers 2.10 Beginner's Guide: Create, Optimize, and Deploy Stunning Cross-browser Web Maps with the OpenLayers JavaScript Web-mapping Library. Packt Open Source, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.