(1998). Proton Pilipinas looks for potential buyers. Manila Bulletin.
Cita Chicago (17th ed.)"Proton Pilipinas Looks for Potential Buyers." Manila Bulletin 1998.
Cita MLA (9th ed.)"Proton Pilipinas Looks for Potential Buyers." Manila Bulletin, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.