Castro, A. (1977). An idea of history: Selected essays of Américo Castro. Ohio State University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCastro, Américo. An Idea of History: Selected Essays of Américo Castro. Columbus: Ohio State University Press, 1977.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCastro, Américo. An Idea of History: Selected Essays of Américo Castro. Ohio State University Press, 1977.
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