Witschi, N. S. (2011). A Companion to the literature and culture of the American west. Wiley-Blackwell.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWitschi, Nicolas S. A Companion to the Literature and Culture of the American West. Chichester, West Sussex, United Kingdom: Wiley-Blackwell, 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWitschi, Nicolas S. A Companion to the Literature and Culture of the American West. Wiley-Blackwell, 2011.
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