Hansen, Esther V. The Attalids of Pergamon. 2nd ed., vol. 36, Cornell University Press, 1971, www.jstor.org/stable/10.7591/j.cttq4444, Accessed 24 Jan. 2021.
Hansen, E. (1971). The Attalids of Pergamon. ITHACA; LONDON: Cornell University Press. Retrieved January 24, 2021, from http://www.jstor.org/stable/10.7591/j.cttq4444
Hansen, Esther V. The Attalids of Pergamon. ITHACA; LONDON: Cornell University Press, 1971. Accessed January 24, 2021. http://www.jstor.org/stable/10.7591/j.cttq4444.
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