Hanna, G. (1923). Women in the German trade union movement. International Labour Organization.
Cita Chicago Style (17a ed.)Hanna, Gertrud. Women in the German Trade Union Movement. International Labour Organization, 1923.
Cita MLA (9a ed.)Hanna, Gertrud. Women in the German Trade Union Movement. International Labour Organization, 1923.
Precaución: Estas citas no son 100% exactas.