Cita APA (7a ed.)

(1922). United States of America: Labour legislation of 1921. International Labour Organization.

Cita Chicago Style (17a ed.)

United States of America: Labour Legislation of 1921. International Labour Organization, 1922.

Cita MLA (9a ed.)

United States of America: Labour Legislation of 1921. International Labour Organization, 1922.

Precaución: Estas citas no son 100% exactas.