Speijer, J.S.
Leyden Brill 1886
Buku Teks
Thomas, Linda
Blackwell, 1995
Buku Teks
Freidin, Robert, 1945-, author
London The MIT Press 1992
Buku Teks
Culicover, Peter W.
Academic Press, 1976
Buku Teks
Householder, Fred W., editor
Amsterdam John Benjamin B.V. 1981
Buku Teks