Andrea and Overfield, The Human Record, Sources of Global History Vol Essay - 3. Retrieved from https://studentshare.org/history/1693853-andrea-and-overfield-the-human-record-sources-of-global-history-vol-ii-cengage-hereafter-ao
Andrea and Overfield, The Human Record, Sources of Global History Vol Essay - 3. https://studentshare.org/history/1693853-andrea-and-overfield-the-human-record-sources-of-global-history-vol-ii-cengage-hereafter-ao.