Santayana, G. "The Genteel Tradition in American Philosophy": George Santayana. American literature, American culture.(1999).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSantayana, George. ""The Genteel Tradition in American Philosophy": George Santayana." American Literature, American Culture.(1999) .
एमएलए (8वां संस्करण) प्रशस्ति पत्रSantayana, George. ""The Genteel Tradition in American Philosophy": George Santayana." American Literature, American Culture.(1999), .
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