Robles, W. M. (2009). Youth at work: A needs assessment of integrating basic labor education in selected laboratory high schools in Metro Manila. Philippine Journal of Labor and Industrial Relations.
Lua i Stíl Chicago (17ú heag.)Robles, Walter M. "Youth at Work: A Needs Assessment of Integrating Basic Labor Education in Selected Laboratory High Schools in Metro Manila." Philippine Journal of Labor and Industrial Relations 2009.
Lua MLA (9ú heag.)Robles, Walter M. "Youth at Work: A Needs Assessment of Integrating Basic Labor Education in Selected Laboratory High Schools in Metro Manila." Philippine Journal of Labor and Industrial Relations, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.