Não informado. (2018). Proceedings of the Philosophical Society of the University of Virginia. Philosophical Society of the University of Virginia.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Proceedings of the Philosophical Society of the University of Virginia. Charlottesville, Va: Philosophical Society of the University of Virginia, 2018.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Proceedings of the Philosophical Society of the University of Virginia. Philosophical Society of the University of Virginia, 2018.
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