Wellek, R., & Nichols, S. G. (1965). Concepts of criticism: René Wellek. Ed. and with an introduction by Stephen G. Nichols (3. print.). Yale Univ. Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWellek, René, और Stephen G. Nichols. Concepts of Criticism: René Wellek. Ed. and with an Introduction by Stephen G. Nichols. 3. print. New Haven ; London: Yale Univ. Press, 1965.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWellek, René, और Stephen G. Nichols. Concepts of Criticism: René Wellek. Ed. and with an Introduction by Stephen G. Nichols. 3. print. Yale Univ. Press, 1965.
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