Clark, J. W. (1975). The care of books: An essay on the development of libraries and their fittings, from the earliest times to the end of the eighteenth century. Variorum Reprints.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Clark, John Willis. The Care of Books: An Essay on the Development of Libraries and Their Fittings, from the Earliest Times to the End of the Eighteenth Century. London: Variorum Reprints, 1975.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Clark, John Willis. The Care of Books: An Essay on the Development of Libraries and Their Fittings, from the Earliest Times to the End of the Eighteenth Century. Variorum Reprints, 1975.
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