Hafrey, L., & Sieburth, R. Translators' Introduction to "N": Leigh Hafrey. Richard Sieburth. Benjamin : philosophy, history, aesthetics.(1989).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHafrey, Leigh, और Richard Sieburth. "Translators' Introduction to "N": Leigh Hafrey. Richard Sieburth." Benjamin : Philosophy, History, Aesthetics.(1989) .
एमएलए (8वां संस्करण) प्रशस्ति पत्रHafrey, Leigh, और Richard Sieburth. "Translators' Introduction to "N": Leigh Hafrey. Richard Sieburth." Benjamin : Philosophy, History, Aesthetics.(1989), .
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.