APA
Berman E., Laitin David D & National Bureau Of Economic Research. (2005). Hard targets: Theory and evidence on suicide attacks. Cambridge, MA: NBER.
Chicago
Berman Eli, Laitin David D and National Bureau Of Economic Research. 2005. Hard targets: Theory and evidence on suicide attacks. Cambridge, MA: NBER.
Harvard
Berman E., Laitin David D and National Bureau Of Economic Research. (2005). Hard targets: Theory and evidence on suicide attacks. Cambridge, MA: NBER.
MLA
Berman Eli, Laitin David D and National Bureau Of Economic Research. Hard targets: Theory and evidence on suicide attacks. Cambridge, MA: NBER. 2005.