APA (7 वां संस्करण) प्रशस्ति पत्र
Frankel, O. (2006). States of Inquiry: Social Investigations and Print Culture in Nineteenth-Century Britain and the United States. Johns Hopkins University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Frankel, Oz. States of Inquiry: Social Investigations and Print Culture in Nineteenth-Century Britain and the United States. Baltimore: Johns Hopkins University Press, 2006.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Frankel, Oz. States of Inquiry: Social Investigations and Print Culture in Nineteenth-Century Britain and the United States. Johns Hopkins University Press, 2006.
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