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Lua i Stíl Chicago (17ú heag.)Langit, Richel B. "Poor Schooling Threatens Jobs of Filipino Seamen." Manila Times 1998.
Lua MLA (9ú heag.)Langit, Richel B. "Poor Schooling Threatens Jobs of Filipino Seamen." Manila Times, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.