Lennon PA, Cooper ML, Peiffer DA, et al. (April 2007). "Deletion of 7q31.1 supports involvement of FOXP2 in language impairment: clinical report and review". Am. J. Med. Genet. A. 143A (8): 791–8. doi:10.1002/ajmg.a.31632. PMID17330859.
Lennon PA, Cooper ML, Peiffer DA, et al. (April 2007). "Deletion of 7q31.1 supports involvement of FOXP2 in language impairment: clinical report and review". Am. J. Med. Genet. A. 143A (8): 791–8. doi:10.1002/ajmg.a.31632. PMID17330859.