(1976). The chemical industries and the working environment. Geneva: International Labour Office.
استشهاد بنمط شيكاغوThe Chemical Industries and the Working Environment. Geneva: International Labour Office, 1976.
MLA استشهادThe Chemical Industries and the Working Environment. Geneva: International Labour Office, 1976.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.