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).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMacKenzie, 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) .
एमएलए (8वां संस्करण) प्रशस्ति पत्रMacKenzie, 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), .
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