Organisation for Economic Co-operation and Development. (1971). The chemical industry. Paris: Organisation for Economic Co-operation and Development.
استشهاد بنمط شيكاغوOrganisation for Economic Co-operation and Development. The Chemical Industry. Paris: Organisation for Economic Co-operation and Development, 1971.
MLA استشهادOrganisation for Economic Co-operation and Development. The Chemical Industry. Paris: Organisation for Economic Co-operation and Development, 1971.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.