Lujan, N. C. (1997). More firms hire casuals, says DOLE. Philippine Daily Inquirer.
Lua i Stíl Chicago (17ú heag.)Lujan, Nereo C. "More Firms Hire Casuals, Says DOLE." Philippine Daily Inquirer 1997.
Lua MLA (9ú heag.)Lujan, Nereo C. "More Firms Hire Casuals, Says DOLE." Philippine Daily Inquirer, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.