(1974). Problems in transfrontier pollution. Paris: Oranization for Economic Co-operation and Development.
استشهاد بنمط شيكاغوProblems in Transfrontier Pollution. Paris: Oranization for Economic Co-operation and Development, 1974.
MLA استشهادProblems in Transfrontier Pollution. Paris: Oranization for Economic Co-operation and Development, 1974.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.