Organisation for Economic Co-operation and Development. (1973). 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, 1973.
MLA استشهادOrganisation for Economic Co-operation and Development. The Chemical Industry. Paris: Organisation for Economic Co-operation and Development, 1973.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.