TY  - BOOK
AU  - Henrich W. Douglas
TI  - Patrol procedure for private security professionals
SN  - 0130291455
AV  - HV8099 .C3H46 2001 
PY  - 2001///
CY  - Toronto
PB  - Prentice Hall
KW  - Security professionals
N1  - Includes bibliographical references and index
ER  -