International Labour Office. (1982). 6th international report on the prevention and suppression of dust in mining, tunnelling and quarrying, 1973-1977. International Labour Office.
芝加哥风格引文International Labour Office. 6th International Report on the Prevention and Suppression of Dust in Mining, Tunnelling and Quarrying, 1973-1977. Geneva: International Labour Office, 1982.
MLA引文International Labour Office. 6th International Report on the Prevention and Suppression of Dust in Mining, Tunnelling and Quarrying, 1973-1977. International Labour Office, 1982.
警告：这些引文格式不一定是100％准确.