American Academy of Political and Social Science, Philadelphia. (1903). Current labor problems. s.n.
Cita Chicago (17th ed.)American Academy of Political and Social Science, Philadelphia. Current Labor Problems. Philadelphia: s.n, 1903.
Cita MLA (9th ed.)American Academy of Political and Social Science, Philadelphia. Current Labor Problems. s.n, 1903.
Atenció: Aquestes cites poden no estar 100% correctes.