Gray, A. (2002). The book of prefaces: A short history of literate thought in words by great writers of our nationsfrom the 7th to the 20th century. Bloomsbury.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGray, Alasdair. The Book of Prefaces: A Short History of Literate Thought in Words by Great Writers of Our Nationsfrom the 7th to the 20th Century. Bloomsbury, 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGray, Alasdair. The Book of Prefaces: A Short History of Literate Thought in Words by Great Writers of Our Nationsfrom the 7th to the 20th Century. Bloomsbury, 2002.
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