Authors. (2008). Worlds Together, Worlds Apart: A History of the World from the Beginnings of Humankind to the Present - (Vol. 2: The Mongol Empire to the Present) (Tái bản lần thứ 2.). New York: W. W. Norton & Company.
শিকাগো স্টাইলে সাইটেশনAuthors. Worlds Together, Worlds Apart: A History of the World From the Beginnings of Humankind to the Present - (Vol. 2: The Mongol Empire to the Present). Tái bản lần thứ 2. New York: W. W. Norton & Company, 2008.
এমএলএ সাইটেশনAuthors. Worlds Together, Worlds Apart: A History of the World From the Beginnings of Humankind to the Present - (Vol. 2: The Mongol Empire to the Present). Tái bản lần thứ 2. New York: W. W. Norton & Company, 2008.
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