Lim. (2007). Two wheeled balancing robot. Universiti Teknikal Malaysia Melaka.
Cita Chicago (17th ed.)Lim. Two Wheeled Balancing Robot. Durian Tunggal: Universiti Teknikal Malaysia Melaka, 2007.
Cita MLA (8th ed.)Lim. Two Wheeled Balancing Robot. Universiti Teknikal Malaysia Melaka, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.