Hancock, Ian F. (2005) [2002]. We are the Romani People. Univ of Hertfordshire Press. с. 70. ISBN978-1-902806-19-8: 'While a nine century removal from India has diluted Indian biological connection to the extent that for some Romani groups, it may be hardly representative today, Sarren (1976:72) concluded that we still remain together, genetically, Asian rather than European'
Gay y Blasco, Paloma (20 грудня 2002). 'We don't know our descent': how the Gitanos of Jarana manage the past. Journal of the Royal Anthropological Institute. 7 (4): 631—647. doi:10.1111/1467-9655.00081.
