Davidson, P. (2018). Atlas of empires: The world's greatest powers from ancient times to today. CompanionHouse Books is an imprint of Fox Chapel Publishers International Lt.d.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Davidson, Peter. Atlas of Empires: The World's Greatest Powers from Ancient Times to Today. Mount Joy, PA: CompanionHouse Books is an imprint of Fox Chapel Publishers International Lt.d, 2018.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Davidson, Peter. Atlas of Empires: The World's Greatest Powers from Ancient Times to Today. CompanionHouse Books is an imprint of Fox Chapel Publishers International Lt.d, 2018.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.