APA-referens (7:e uppl.)
Frankel, O. (2006). States of inquiry: Social investigations and print culture in nineteenth-century Britain and the United States. Johns Hopkins University Press.
Chicago-referens (17:e uppl.)
Frankel, Oz. States of Inquiry: Social Investigations and Print Culture in Nineteenth-century Britain and the United States. Baltimore: Johns Hopkins University Press, 2006.
MLA-referens (9:e uppl.)
Frankel, Oz. States of Inquiry: Social Investigations and Print Culture in Nineteenth-century Britain and the United States. Johns Hopkins University Press, 2006.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.