Graham, E. (2024). Book and dagger: How scholars and librarians became the unlikely spies of World War II (First edition.). Ecco, an imprint of HarperCollins Publishers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Graham, Elyse. Book and Dagger: How Scholars and Librarians Became the Unlikely Spies of World War II. First edition. New York, NY: Ecco, an imprint of HarperCollins Publishers, 2024.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Graham, Elyse. Book and Dagger: How Scholars and Librarians Became the Unlikely Spies of World War II. First edition. Ecco, an imprint of HarperCollins Publishers, 2024.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.