Wensberg, Peter C., author
Houghton Miffiln, 1987
Buku Teks
Conrad, Earl
New York, 1961
Buku Teks
Cousins, Margaret, author
Fawcett, 1965
Buku Teks
Wetherell, W.D.
University of Pittsburgh Press , 1985
Buku Teks
Stead, Christina
David Campbell Publisher, 1995
Buku Teks