Willink, J. (2017). Extreme ownership: How u.s. navy seals lead and win.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWillink, Jocko. Extreme Ownership: How U.s. Navy Seals Lead and Win. 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWillink, Jocko. Extreme Ownership: How U.s. Navy Seals Lead and Win. 2017.
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