Cita APA (7a ed.)

(1921). Control of the employment of children in agriculture in Canada and the United States of America. International Labour Organization.

Cita Chicago Style (17a ed.)

Control of the Employment of Children in Agriculture in Canada and the United States of America. International Labour Organization, 1921.

Cita MLA (9a ed.)

Control of the Employment of Children in Agriculture in Canada and the United States of America. International Labour Organization, 1921.