Joint Meeting onConditions of Work and Employment in Postal and Telecommunications Services. (1977). Effects of technological changes on conditions of work and employment in postal and telecommunications services. Geneva: International Labour Office.
Chicago-tyylinen lähdeviittausJoint Meeting onConditions of Work and Employment in Postal and Telecommunications Services. Effects of Technological Changes On Conditions of Work and Employment in Postal and Telecommunications Services. Geneva: International Labour Office, 1977.
MLA-viiteJoint Meeting onConditions of Work and Employment in Postal and Telecommunications Services. Effects of Technological Changes On Conditions of Work and Employment in Postal and Telecommunications Services. Geneva: International Labour Office, 1977.