(1971). The problems of persistent chemicals. Paris: Organisation for Economic Co-operation and Development.
استشهاد بنمط شيكاغوThe Problems of Persistent Chemicals. Paris: Organisation for Economic Co-operation and Development, 1971.
MLA استشهادThe Problems of Persistent Chemicals. Paris: Organisation for Economic Co-operation and Development, 1971.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.