APA-referens (7:e uppl.)

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).

Chicago-referens (17:e uppl.)

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) .

MLA-referens (8:e uppl.)

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), .

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.