International Labour Office & ebrary, Inc. (2011). Guidelines for the use of the ILO international classification of radiographs of pneumoconioses (Rev. ed.). International Labour Office.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International Labour Office و Inc ebrary. Guidelines for the Use of the ILO International Classification of Radiographs of Pneumoconioses. Rev. ed. Geneva: International Labour Office, 2011.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)International Labour Office و Inc ebrary. Guidelines for the Use of the ILO International Classification of Radiographs of Pneumoconioses. Rev. ed. International Labour Office, 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.