Lyons, John, author
Cambridge University Press, 1968
Buku Teks
editors, S.P. Corder, E. Roulet
AIMAV, 1974
Buku Teks
edited by Eric P. Hamp
Mouton, 1973
Buku Teks
Hughes, John P., author
Random House, 1966
Buku Teks
Lehmann, Winfred P., author
Random House, 1976
Buku Teks