Healey, P., McDougall, G., & Thomas, M. J. (1982). Planning theory: Prospects for the 1980s : selected papers from a conference held in Oxford, 2-4 April 1981. Pergamon Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Healey, Patsy, Glen McDougall, و Michael J. Thomas. Planning Theory: Prospects for the 1980s : Selected Papers from a Conference Held in Oxford, 2-4 April 1981. Oxford [Oxfordshire] ; New York: Pergamon Press, 1982.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Healey, Patsy, et al. Planning Theory: Prospects for the 1980s : Selected Papers from a Conference Held in Oxford, 2-4 April 1981. Pergamon Press, 1982.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.