De Guzman, R. (1998). PAL pilot's strike strands thousands. Manila Bulletin.
Lua i Stíl Chicago (17ú heag.)De Guzman, Ronniel. "PAL Pilot's Strike Strands Thousands." Manila Bulletin 1998.
Lua MLA (9ú heag.)De Guzman, Ronniel. "PAL Pilot's Strike Strands Thousands." Manila Bulletin, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.