* {{cite book | last=Katz | first=Samuel M. | title=The Illustrated Guide to the World's Top Counter-terrorist Forces | publisher=Concord | publication-place=Hong Kong | date=1995 | isbn=962-361-602-3}}
<ref name="r093">{{cite book | last=Katz | first=Samuel M. | title=The Illustrated Guide to the World's Top Counter-terrorist Forces | publisher=Concord | publication-place=Hong Kong | date=1995 | isbn=962-361-602-3 | page=}}</ref>