(1979). Facing the future: Mastering the probable and managing the unpredictable. Paris: Organisation for Economic Co-operation and Development.
استشهاد بنمط شيكاغوFacing the Future: Mastering the Probable and Managing the Unpredictable. Paris: Organisation for Economic Co-operation and Development, 1979.
MLA استشهادFacing the Future: Mastering the Probable and Managing the Unpredictable. Paris: Organisation for Economic Co-operation and Development, 1979.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.