edited by Bernhard Kettemann and Robert N. St. Clair
Gunter Narr Verlag Tubingen, 1980
Buku Teks
Pinker, Steven
Penguin books, 1994
Buku Teks
Delair , 1981
Buku Teks
edited by Peter Collins and David Blair
University of Queensland Press, 1989
Buku Teks
Tokyo : Kenkyusha, [date of publication not identified]
Buku Referensi