Tolong jelaskan mengenai Sumber dari Rumpun bahasa Afro-Asia

Bernd Heine dan Derek Nurse, African Languages, Cambridge University Press, 2000 - Bab 4

Merritt Ruhlen, A Guide to the World's Languages, Stanford University Press, Stanford 1991.

Lionel Bender et al., Selected Comparative-Historical Afro-Asiatic Studies in Memory of Igor M. Diakonoff, LINCOM 2003.

Russell G. Schuh, Chadic Overview.

African Language History (pdf), Roger Blench

(2012), Burning Issues in Afro-Asiatic Linguistics .

(2003), Language Contact and Lexical Enrichment in Israeli Hebrew, Palgrave Macmillan ()

(2014), Jewish Language Contact (International Journal of the Sociology of Language 226).