Gilbert, P.F.
The Jacaranda Press, 1978
Buku Teks
Lowenstein, Katharin Wendy, author
Hyland House Publishing , 1977
Buku Teks
Clark, C.M.H. (Charles Manning Hope), 1915-1991, author
Melbourne University Press, 1975
Buku Teks
Pike, Douglas, 1908-1974, author
Cambridge University Press, 1970
Buku Teks
Pike, Dauglas
Cambridge at the University Press, 1966
Buku Teks