Cita APA

Cowling, T. M. (1973). Sub-regional planning. [s.l.]: Pergamon Press.

Citación estilo Chicago

Cowling, T M. Sub-regional Planning. [s.l.]: Pergamon Press, 1973.

Cita MLA

Cowling, T M. Sub-regional Planning. [s.l.]: Pergamon Press, 1973.