APA (7 वां संस्करण) प्रशस्ति पत्र
Bird, O. A. (1976). Cultures in conflict: An essay in the philosophy of the humanities. University of Notre Dame Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Bird, Otto A. Cultures in Conflict: An Essay in the Philosophy of the Humanities. Notre Dame, Ind.: University of Notre Dame Press, 1976.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Bird, Otto A. Cultures in Conflict: An Essay in the Philosophy of the Humanities. University of Notre Dame Press, 1976.
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