International Labour Office & ebrary, Inc. (2011). Guidelines for the use of the ILO international classification of radiographs of pneumoconioses (Rev. ed.). International Labour Office.
Chicago-viite (17. p.)International Labour Office ja Inc ebrary. Guidelines for the Use of the ILO International Classification of Radiographs of Pneumoconioses. Rev. ed. Geneva: International Labour Office, 2011.
MLA-viite (9. p.)International Labour Office ja Inc ebrary. Guidelines for the Use of the ILO International Classification of Radiographs of Pneumoconioses. Rev. ed. International Labour Office, 2011.
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