Viton, Albert, author
John Day Company, 1940
Buku Teks
Viton, Albert, author
John Day Company, 1940
Buku Teks
Moodie, Graeme C., author
Crowell, 1971
Buku Teks
Winbolt, S.E.
Penguin Books, 1945.
Buku Teks
Schlesinger, Arthur Meier, author
Alfred A. Knopf, 1958
Buku Teks