Her Majesty's Stationery Office. (1989). South wales constabulary: Shot guns ; a guide for the enquiry officer.
Chicago-referens (17:e uppl.)Her Majesty's Stationery Office. South Wales Constabulary: Shot Guns ; a Guide for the Enquiry Officer. London, 1989.
MLA-referens (8:e uppl.)Her Majesty's Stationery Office. South Wales Constabulary: Shot Guns ; a Guide for the Enquiry Officer. 1989.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.