Riedel, B. (2010). The search for al Qaeda: Its leadership, ideology, and future. Brookings Institution Press.
শিকাগো স্টাইলে সাইটেশনRiedel, Bruce. The Search for Al Qaeda: Its Leadership, Ideology, and Future. Brookings Institution Press, 2010.
এমএলএ সাইটেশনRiedel, Bruce. The Search for Al Qaeda: Its Leadership, Ideology, and Future. Brookings Institution Press, 2010.
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