BIRO, P. S. (1983). Statistik Kriminal, Sumber Data Kepolisian Crime Statistics Data Sources From Police Force 1980-1981. BPS.
Lua i Stíl Chicago (17ú heag.)BIRO, PUSAT STATISTIK. Statistik Kriminal, Sumber Data Kepolisian Crime Statistics Data Sources From Police Force 1980-1981. BPS, 1983.
Lua MLA (8ú heag.)BIRO, PUSAT STATISTIK. Statistik Kriminal, Sumber Data Kepolisian Crime Statistics Data Sources From Police Force 1980-1981. BPS, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.