Great Britain. Dept. of Education and Science. (1991). Closed circuit TV surveillance systems in educational buildings. HMSO.
Citazione stile Chigago Style (17a edizione)Great Britain. Dept. of Education and Science. Closed Circuit TV Surveillance Systems in Educational Buildings. London: HMSO, 1991.
Citatione MLA (8a ed.)Great Britain. Dept. of Education and Science. Closed Circuit TV Surveillance Systems in Educational Buildings. HMSO, 1991.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.