Ortiz, C. (2010). Private armed forces and global security: A guide to the issues. Praeger.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOrtiz, Carlos. Private Armed Forces and Global Security: A Guide to the Issues. Santa Barbara, CA: Praeger, 2010.
एमएलए (9वां संस्करण) प्रशस्ति पत्रOrtiz, Carlos. Private Armed Forces and Global Security: A Guide to the Issues. Praeger, 2010.
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