Great Britain. Dept. of Education and Science. (1989). Crime prevention in schools: Specification, installation and maintenance of intruder alarm systems. HMSO.
Citazione stile Chigago Style (17a edizione)Great Britain. Dept. of Education and Science. Crime Prevention in Schools: Specification, Installation and Maintenance of Intruder Alarm Systems. London: HMSO, 1989.
Citatione MLA (8a ed.)Great Britain. Dept. of Education and Science. Crime Prevention in Schools: Specification, Installation and Maintenance of Intruder Alarm Systems. HMSO, 1989.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.