Schon, D. A. (1980). Policy planning as design process: A seminar. Centre for Human Settlements, University of British Columbia , Faculty of Graduate Studies.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Schon, Donald A. Policy Planning as Design Process: A Seminar. Vancouver: Centre for Human Settlements, University of British Columbia , Faculty of Graduate Studies, 1980.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Schon, Donald A. Policy Planning as Design Process: A Seminar. Centre for Human Settlements, University of British Columbia , Faculty of Graduate Studies, 1980.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.