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.
استشهاد بنمط شيكاغوJoint 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 استشهادJoint 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.