Seabrook, M. (1987). Coppers: An inside view of the British Police. Harrap.
Lua i Stíl Chicago (17ú heag.)Seabrook, Mike. Coppers: An Inside View of the British Police. London: Harrap, 1987.
Lua MLA (8ú heag.)Seabrook, Mike. Coppers: An Inside View of the British Police. Harrap, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.