Liew, H. Y. (2015). Student attendance management system.
Cita Chicago (17th ed.)Liew, Huei Yee. Student Attendance Management System. 2015.
Cita MLA (8th ed.)Liew, Huei Yee. Student Attendance Management System. 2015.
Atenció: Aquestes cites poden no estar 100% correctes.