“Introduction.” Ur III Period (2112-2004 BC), by DOUGLAS FRAYNE, University of Toronto Press, Toronto; Buffalo; London, 1997, pp. 3–4, www.jstor.org/stable/10.3138/j.ctt13x1qkz.12. Accessed 6 May 2021.
FRAYNE, D. (1997). Introduction. In Ur III Period (2112-2004 BC) (pp. 3-4). Toronto; Buffalo; London: University of Toronto Press. Retrieved May 6, 2021, from http://www.jstor.org/stable/10.3138/j.ctt13x1qkz.12
FRAYNE, DOUGLAS. "Introduction." In Ur III Period (2112-2004 BC), 3-4. Toronto; Buffalo; London: University of Toronto Press, 1997. Accessed May 6, 2021. http://www.jstor.org/stable/10.3138/j.ctt13x1qkz.12.
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