Ypil, A. L. G. (2011). Thesis writing management system.
Cita Chicago (17th ed.)Ypil, Anna Lei Geraldizo. Thesis Writing Management System. 2011.
Cita MLA (9th ed.)Ypil, Anna Lei Geraldizo. Thesis Writing Management System. 2011.
Atenció: Aquestes cites poden no estar 100% correctes.