Devito, Joseph A., author
Random House, 1970
Buku Teks
edited by Giovanni B. Flores, D Arcais and Willem J.M. Levelt
George Allen and Unwin , 1970
Buku Teks
Cambridge University Press, 1994
Buku Teks
edited by Sol Saporta
Holt, Rinehart and Winston, 1961
Buku Teks
Kess, Joseph F.
John Benjamin B.V., 1981
Buku Teks