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.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিGray, 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.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিGray, 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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