Παραπομπή APA
Orr, L. L. (1975). Income, employment, and urban residential location. New York: Academic Press.
Παραπομπή Chicago StyleOrr, Larry L. Income, Employment, and Urban Residential Location. New York: Academic Press, 1975.
Παραπομπή MLAOrr, Larry L. Income, Employment, and Urban Residential Location. New York: Academic Press, 1975.
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