Organisation for Economic Co-operation and Development. (1979). Facing the future: Mastering the probable and managing the unpredictable. Paris,[Washington, D.C: Organisation for Economic Co-operation and Development,sold by Publications and Information Center].
Παραπομπή Chicago StyleOrganisation for Economic Co-operation and Development. Facing the Future: Mastering the Probable and Managing the Unpredictable. Paris,[Washington, D.C: Organisation for Economic Co-operation and Development,sold by Publications and Information Center], 1979.
Παραπομπή MLAOrganisation for Economic Co-operation and Development. Facing the Future: Mastering the Probable and Managing the Unpredictable. Paris,[Washington, D.C: Organisation for Economic Co-operation and Development,sold by Publications and Information Center], 1979.