Hii, M. U. H. (2007). Automatic key handling system. Universiti Tun Hussein Onn Malaysia.
Cita Chicago (17th ed.)Hii, Michael Ung Hui. Automatic Key Handling System. Batu Pahat: Universiti Tun Hussein Onn Malaysia, 2007.
Cita MLA (8th ed.)Hii, Michael Ung Hui. Automatic Key Handling System. Universiti Tun Hussein Onn Malaysia, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.