Her Majesty's Stationery Office. (1989). South wales constabulary: Shot guns ; a guide for the enquiry officer.
Chicago-viite (17. p.)Her Majesty's Stationery Office. South Wales Constabulary: Shot Guns ; a Guide for the Enquiry Officer. London, 1989.
MLA-viite (8. p.)Her Majesty's Stationery Office. South Wales Constabulary: Shot Guns ; a Guide for the Enquiry Officer. 1989.
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