3D user interfaces. 2005. Boston: Addison-Wesley.
Alan B. Craig. 2009. Developing Virtual Reality Applications. Amsterdam: Morgan Kaufmann/Elsevier.
Mel Slater, Anthony Steed, and Yiorgos Chrysanthou. n.d.-a. Computer Graphics and Virtual Environments. Addison Wesley.
Mel Slater, Anthony Steed, and Yiorgos Chrysanthou. n.d.-b. Computer Graphics and Virtual Environments. Addison Wesley.
Module Moodle Page. n.d. https://moodle.ucl.ac.uk/enrol/index.php?id=11233.