International Labour Office. (1982). 6th international report on the prevention and suppression of dust in mining, tunnelling and quarrying, 1973-1977. International Labour Office.
Citace podle Chicago (17th ed.)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.
Citace podle MLA (8th ed.)International Labour Office. 6th International Report on the Prevention and Suppression of Dust in Mining, Tunnelling and Quarrying, 1973-1977. International Labour Office, 1982.
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