Williams, Kate
MacMillan Press , 1989
Buku Teks
William, Kate
Bantam, 1992
Buku Teks
Bedford, Jean, author
Penguins Books, 1987
Buku Teks
Tug, Basak, author
Brill, 2017
eBooks
Millett, John D., author
New York, N.Y. Columbia University Press 1956,
Buku Teks