3D User Interfaces. Addison-Wesley, 2005.
Alan B. Craig. Developing Virtual Reality Applications. Morgan Kaufmann/Elsevier, 2009.
Mel Slater, et al. Computer Graphics and Virtual Environments. Addison Wesley.
———. Computer Graphics and Virtual Environments. Addison Wesley.
Module Moodle Page. https://moodle.ucl.ac.uk/enrol/index.php?id=11233.