Stark, P. (2015). Astoria: Astor and Jefferson's lost Pacific empire : a tale of ambition and survival on the early American frontier (First Ecco paperback edition.). Ecco, an imprint of HarperCollinsPublishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रStark, Peter. Astoria: Astor and Jefferson's Lost Pacific Empire : A Tale of Ambition and Survival on the Early American Frontier. First Ecco paperback edition. New York, NY: Ecco, an imprint of HarperCollinsPublishers, 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रStark, Peter. Astoria: Astor and Jefferson's Lost Pacific Empire : A Tale of Ambition and Survival on the Early American Frontier. First Ecco paperback edition. Ecco, an imprint of HarperCollinsPublishers, 2015.
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