, N. (1991). Britain in 2010: The PSI Report (3.). PSI Publishing.
Citación estilo Chicago, Northcott. Britain in 2010: The PSI Report. 3. London: PSI Publishing, 1991.
Cita MLA, Northcott. Britain in 2010: The PSI Report. 3. PSI Publishing, 1991.
Warning: These citations may not always be 100% accurate.