International Labour Office. Wages: A workers' education manual ((New ed.).). International Labour Office.
Chicago-referens (17:e uppl.)International Labour Office. Wages: A Workers' Education Manual. (New ed.). Geneva: International Labour Office.
MLA-referens (9:e uppl.)International Labour Office. Wages: A Workers' Education Manual. (New ed.). International Labour Office.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.