(1992). Pura Kalaw Ledesma Professional Chair established. U.P. Newsletter.
Cita Chicago (17th ed.)"Pura Kalaw Ledesma Professional Chair Established." U.P. Newsletter 1992.
Cita MLA (9th ed.)"Pura Kalaw Ledesma Professional Chair Established." U.P. Newsletter, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.