Cita APA

Cullingworth, J., & Orr, S. (1969). Regional and urban studies: A social science approach. G.Allen.

Citación estilo Chicago

Cullingworth, J.B.,, and S.C Orr. Regional and Urban Studies: A Social Science Approach. London: G.Allen, 1969.

Cita MLA

Cullingworth, J.B.,, and S.C Orr. Regional and Urban Studies: A Social Science Approach. London: G.Allen, 1969.