International Labor Office, World Employment Programme, & Costa, E. (1977). Guidelines for the organization of special labour-intensive works programmes. International Labour Office.
芝加哥风格引文International Labor Office, World Employment Programme, 与 Emile Costa. Guidelines for the Organization of Special Labour-intensive Works Programmes. Geneva: International Labour Office, 1977.
MLA引文International Labor Office, et al. Guidelines for the Organization of Special Labour-intensive Works Programmes. International Labour Office, 1977.
警告：这些引文格式不一定是100％准确.