Levitt, M. (2019). Why did ancient states collapse?: The dysfunctional state. Summertown, Oxford: Archaeopress Publishing Ltd..
استشهاد بنمط شيكاغوLevitt, Malcolm. Why Did Ancient States Collapse?: The Dysfunctional State. Summertown, Oxford: Archaeopress Publishing Ltd., 2019.
MLA استشهادLevitt, Malcolm. Why Did Ancient States Collapse?: The Dysfunctional State. Summertown, Oxford: Archaeopress Publishing Ltd., 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.