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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Stark, 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.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Stark, 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.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.