Allen, J. S. (2008). Worldly wisdom: Great books and the meanings of life. Frederic C. Beil.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAllen, James Sloan. Worldly Wisdom: Great Books and the Meanings of Life. Savannah, Ga.: Frederic C. Beil, 2008.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAllen, James Sloan. Worldly Wisdom: Great Books and the Meanings of Life. Frederic C. Beil, 2008.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.