Sanger, D. E. (2012). Confront and conceal: Obama's secret wars and surprising use of american power.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSanger, David E. Confront and Conceal: Obama's Secret Wars and Surprising Use of American Power. 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSanger, David E. Confront and Conceal: Obama's Secret Wars and Surprising Use of American Power. 2012.
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