Weiblen, Mike (2006). "PSGL". Khronos. Archived from the original on 2012-09-04. Retrieved 2011-11-21. https://web.archive.org/web/20120904003815/http://www.khronos.org/assets/uploads/developers/library/siggraph2006/OpenGL_ES_BOF/OpenGL-ES-Demos.ppt ↩
Leadbetter, Richard (March 28, 2013). "Inside PlayStation 4". Eurogamer. Retrieved January 9, 2014. http://www.eurogamer.net/articles/digitalfoundry-inside-playstation-4 ↩