Levy, J., & Bjelland, H. (1995). Create your own virtual reality system. Windcrest/McGraw-Hill.
Cita Chicago (17th ed.)Levy, Joseph, i Harley Bjelland. Create Your Own Virtual Reality System. New York: Windcrest/McGraw-Hill, 1995.
Cita MLA (9th ed.)Levy, Joseph, i Harley Bjelland. Create Your Own Virtual Reality System. Windcrest/McGraw-Hill, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.