Dejillas, L. J. (1996). Labor economics. Phoenix Pub. House.
Lua i Stíl Chicago (17ú heag.)Dejillas, Leopoldo J. Labor Economics. Quezon City: Phoenix Pub. House, 1996.
Lua MLA (9ú heag.)Dejillas, Leopoldo J. Labor Economics. Phoenix Pub. House, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.