Howlett, T. (2005). Open source security tools: Practical applications for security. New Jersey: Prentice Hall.
शिकागो स्टाइल उद्धरणHowlett, Tony. Open Source Security Tools: Practical Applications for Security. New Jersey: Prentice Hall, 2005.
एमएलए उद्धरणHowlett, Tony. Open Source Security Tools: Practical Applications for Security. New Jersey: Prentice Hall, 2005.
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