(en) Surinder Singh Papiha, Ranjan Deka et Ranajit Chakraborty, Genomic Diversity : Applications in Human Population Genetics, , 246 p. (ISBN978-1-4615-4263-6, lire en ligne), p. 18.
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(en) John M. Senaveratna, The Story of the Sinhalese from the Most Ancient Times Up to the End of "the Mahavansa" Or Great Dynasty : Vijaya to Maha Sena, B.C. 543 to A.D.302, , 298 p. (ISBN978-81-206-1271-6, lire en ligne), p. 7.