Secher, B., Fregel, R., Larruga, J. M., Cabrera, V. M., Endicott, P., Pestano, J. J., & González, A. M. (2014). The history of the North African mitochondrial DNA haplogroup U6 gene flow into the African, Eurasian and American continents. BioMed Central.

Secher, Bernard, Rosa Fregel, José M. Larruga, Vicente M. Cabrera, Phillip Endicott, José J. Pestano, và Ana M. González. The History of the North African Mitochondrial DNA Haplogroup U6 Gene Flow Into the African, Eurasian and American Continents. BioMed Central, 2014.

Secher, Bernard, et al. The History of the North African Mitochondrial DNA Haplogroup U6 Gene Flow Into the African, Eurasian and American Continents. BioMed Central, 2014.