Fowles, John
Cape , 1985
Buku Teks SO
Fowles, John
Back Bay Books, 1997
Buku Teks SO
Saywell, John J.
University of Toronto Press , 1957
Buku Teks
Hargreaves, John D.
Prentice-Hall, 1967
Buku Teks SO
Fowles, Grant R.
Thomson Brooks/Cole,, 1985
Buku Teks SO