APA (7 वां संस्करण) प्रशस्ति पत्र

Melnick, R. (2018). Life and Work of Ludwig Lewisohn, Volume II: "This Dark and Desperate Age". Wayne State University Press.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Melnick, Ralph. Life and Work of Ludwig Lewisohn, Volume II: "This Dark and Desperate Age". Wayne State University Press, 2018.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Melnick, Ralph. Life and Work of Ludwig Lewisohn, Volume II: "This Dark and Desperate Age". Wayne State University Press, 2018.

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