Cita APA (7th ed.)
(1939). Proceedings of the ... National Conference on Labor Legislation.
Cita Chicago (17th ed.)
Proceedings of the ... National Conference on Labor Legislation. Washington, 1939.
Cita MLA (9th ed.)
Proceedings of the ... National Conference on Labor Legislation. 1939.
Atenció: Aquestes cites poden no estar 100% correctes.