Lowenthal, Max
The federal bureau of investigation
William Sloane Associates, 1950
 Buku Teks
Clawson, Marion
The Bureau of Land Management
Frederick A. Praeger, 1971
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Swanson, Charles R.
Criminal investigation
McGraw-Hill, 2003
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Swanson, Charles R.
Criminal investigation
McGraw-Hill, 2003
 Multimedia
Berg, Bruce Lawrence, 1954-
Criminal investigation
McGraw-Hill Higher Education, 2008
 Buku Teks