International Labour Organisation. Advisory Committee on Salaried Employees and Professional Workers. Session & International Labour Organisation. Programme of Industrial Activities. (1981). Note on the proceedings. International Labour Office.
Lua i Stíl Chicago (17ú heag.)International Labour Organisation. Advisory Committee on Salaried Employees and Professional Workers. Session agus International Labour Organisation. Programme of Industrial Activities. Note on the Proceedings. Geneva: International Labour Office, 1981.
Lua MLA (8ú heag.)International Labour Organisation. Advisory Committee on Salaried Employees and Professional Workers. Session agus International Labour Organisation. Programme of Industrial Activities. Note on the Proceedings. International Labour Office, 1981.