Covert investigation

Clive Harfield and Karen Harfield
Bok · Engelsk · 2005

Utgitt	Oxford : Oxford University Press , 2005
Omfang	XXXII, 355 s.
Emner	Police patrol - Surveillance operations - Great Britain Undercover operations - Law and legislation - Great Britain etterforskning overvåkning
ISBN	019928377X. - 9780199283774