MacKenzie, R. D. The ecological approach to the study of the human community: Roderick D. MacKenzie. The City : [Suggestions for investigation of human behavior in the urban environment].(1997).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)MacKenzie, Roderick D. "The Ecological Approach to the Study of the Human Community: Roderick D. MacKenzie." The City : [Suggestions for Investigation of Human Behavior in the Urban Environment].(1997) .
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)MacKenzie, Roderick D. "The Ecological Approach to the Study of the Human Community: Roderick D. MacKenzie." The City : [Suggestions for Investigation of Human Behavior in the Urban Environment].(1997), .
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.