Hamilton, Alexander, author
Tudor Publishing, 1937
Buku Teks
Munro, William Bennett, author
Buku Teks
Munro, William Bennett, author
Macmillan, 1952
Buku Teks
Mussatti, James
D. Van Nostrand Company, Inc., 1960
Buku Teks
United States Information Agency, 1987
Buku Teks