Cotton, S. K., Petersohn, U., Dunigan, M., Burkhart, Q., & Zander-Cotugno, M. (2010). Hired Guns: Views About Armed Contractors in Operation Iraqi Freedom. RAND Corporation.
Chicago-čujuhus (17. p.)Cotton, Sarah K., Ulrich Petersohn, Molly Dunigan, Q. Burkhart, juo Megan Zander-Cotugno. Hired Guns: Views About Armed Contractors in Operation Iraqi Freedom. RAND Corporation, 2010.
MLA-čujuhus (9. p.)Cotton, Sarah K., et al. Hired Guns: Views About Armed Contractors in Operation Iraqi Freedom. RAND Corporation, 2010.
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