Center for the Study of Language and Information, 1992
Buku Teks
Pierson, J.L., author
E.J. Brill, Leiden: E. J. Brill, 1949
Buku Teks
E.P. Dutton & Co , 1968
Buku Teks
Futura Publishing Company, 1980
Buku Teks
Volsky, A.
Mir Publishers, 1978
Buku Teks