Gerlach, Mary Jo Mirlenbrink, author
Delmar, Cengage Learning, 2014
Buku Teks
Schwartz, Peter, author
Doubleday, 1991
Buku Teks
Hudson, W. H., author
New York E.P. Dutton & Co 1947
Buku Teks
Collier, John, 1884-1968, author
New American Library, 1947
Buku Teks
Harrower, Elizabeth, 1928-, author
Angus & Robertson, 1958
Buku Teks