O`Leary, De Lacy
Hill University of North Carolina Press, 1949
Buku Teks
Socin, A
G.E. Stechert, 1942
Buku Teks
edited by M.M. Badawi
Cambridge Cambridge University Press 1992,
Buku Teks
Odmark, John
Amsterdam John Benjamins 1980
Buku Teks
Knowles, Murray, author
Routledge, 1996
Buku Teks