Jantsch, E. (1969). Perspectives of planning. Paris: Organisation for Economic Co-operation and Development.
استشهاد بنمط شيكاغوJantsch, Erich. Perspectives of Planning. Paris: Organisation for Economic Co-operation and Development, 1969.
MLA استشهادJantsch, Erich. Perspectives of Planning. Paris: Organisation for Economic Co-operation and Development, 1969.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.