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Lua i Stíl Chicago (17ú heag.)De Leon, Patrick C. "Agricultural Labor Absorption by Industrial Firms in the Clark Freeport Zone." Philippine Journal of Labor and Industrial Relations 2011.
Lua MLA (9ú heag.)De Leon, Patrick C. "Agricultural Labor Absorption by Industrial Firms in the Clark Freeport Zone." Philippine Journal of Labor and Industrial Relations, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.