Trombley, S. (2013). Fifty thinkers who shaped the modern world. Atlantic Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTrombley, Stephen. Fifty Thinkers Who Shaped the Modern World. London: Atlantic Books, 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्रTrombley, Stephen. Fifty Thinkers Who Shaped the Modern World. Atlantic Books, 2013.
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