International Labor Office, Geneva. (1921). Studies and reports, series I (Employment of women and children) no.1. s.n.
Dyfyniad Arddull ChicagoInternational Labor Office, Geneva. Studies and Reports, Series I (Employment of Women and Children) No.1. Geneva: s.n, 1921.
Dyfyniad MLAInternational Labor Office, Geneva. Studies and Reports, Series I (Employment of Women and Children) No.1. s.n, 1921.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.