David, P. T. (1942). Barriers to youth employment. American Council on Education.
Cita Chicago (17th ed.)David, Paul Theodore. Barriers to Youth Employment. Washington, D.C: American Council on Education, 1942.
Cita MLA (9th ed.)David, Paul Theodore. Barriers to Youth Employment. American Council on Education, 1942.
Atenció: Aquestes cites poden no estar 100% correctes.