Booth, Anne, editor
The Australian National University, 1998
Buku Teks
Gooch, G.P., author
Beacon Press, 1968
Buku Teks
Yarwood, Doreen
I.R. Dee, 1991
Buku Teks
Black, C.E., author
Alfred A. Knopf, 1961
Buku Teks
Black, C.E., author
Alfred A. Knopf, 1966
Buku Teks