Duff, E. G. (1896). Early English printing: A series of facsimiles of all the types used in England during the XVth century, with some of those used in the printing of English books abroad. K. Paul, Trench, Trübner and company, ltd..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Duff, E. Gordon. Early English Printing: A Series of Facsimiles of All the Types Used in England During the XVth Century, with Some of Those Used in the Printing of English Books Abroad. London: K. Paul, Trench, Trübner and company, ltd., 1896.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Duff, E. Gordon. Early English Printing: A Series of Facsimiles of All the Types Used in England During the XVth Century, with Some of Those Used in the Printing of English Books Abroad. K. Paul, Trench, Trübner and company, ltd., 1896.
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