(1998). UP marking 90th year. Manila Bulletin.
Cita Chicago (17th ed.)"UP Marking 90th Year." Manila Bulletin 1998.
Cita MLA (9th ed.)"UP Marking 90th Year." Manila Bulletin, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)