Locsin, J. (1998). Palace to Payumo: Time to deliver, redevelop Subic freeport. Philippine Star.
Lua i Stíl Chicago (17ú heag.)Locsin, Joel. "Palace to Payumo: Time to Deliver, Redevelop Subic Freeport." Philippine Star 1998.
Lua MLA (9ú heag.)Locsin, Joel. "Palace to Payumo: Time to Deliver, Redevelop Subic Freeport." Philippine Star, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.