Riddel, J. N. Thresholds of the sign: Reflections on "American" poetics / Joseph N. Riddel. Theorizing American literature : Hegel, the sign, and history.(1991).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRiddel, Joseph N. "Thresholds of the Sign: Reflections on "American" Poetics / Joseph N. Riddel." Theorizing American Literature : Hegel, the Sign, and History.(1991) .
एमएलए (8वां संस्करण) प्रशस्ति पत्रRiddel, Joseph N. "Thresholds of the Sign: Reflections on "American" Poetics / Joseph N. Riddel." Theorizing American Literature : Hegel, the Sign, and History.(1991), .
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