Gabriele, M., & Perry, D. M. (2024). Oathbreakers: The war of brothers that shattered an empire and made Medieval Europe (First edition.). Harper, an imprint of HarperCollins Publishers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Gabriele, Matthew, و David M. Perry. Oathbreakers: The War of Brothers That Shattered an Empire and Made Medieval Europe. First edition. New York, NY: Harper, an imprint of HarperCollins Publishers, 2024.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Gabriele, Matthew, و David M. Perry. Oathbreakers: The War of Brothers That Shattered an Empire and Made Medieval Europe. First edition. Harper, an imprint of HarperCollins Publishers, 2024.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.