Hancock, Ian F. () [2002]. We are the Romani People. Univ of Hertfordshire Press. p. 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’
Mendizabal, Isabel (). „Reconstructing the Population History of European Romani from Genome-wide Data”. Current Biology. 22 (24): 2342–2349. doi:10.1016/j.cub.2012.10.039. PMID23219723.
Mendizabal, Isabel (). „Reconstructing the Population History of European Romani from Genome-wide Data”. Current Biology. 22 (24): 2342–2349. doi:10.1016/j.cub.2012.10.039. PMID23219723.