Tzafestas, S. Research on autonomous robotic wheelchairs in Europe [Guest Editorial]. IEEE Robotics and automation magazine.
Chicago-viite (17. p.)Tzafestas, S.G. "Research on Autonomous Robotic Wheelchairs in Europe [Guest Editorial]." IEEE Robotics and Automation Magazine .
MLA-viite (9. p.)Tzafestas, S.G. "Research on Autonomous Robotic Wheelchairs in Europe [Guest Editorial]." IEEE Robotics and Automation Magazine, .
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.