Heintzelman, Oliver H., author
Prentice-Hall, 1965
Buku Teks
Wells, H.G., author
Macmillan, 1922
Buku Teks
Wells, H.G., author
Penguin Books, 1938
Buku Teks
Wells, H.G., author
Penguin Books, 1936
Buku Teks
Romeril, John, 1945-, author
Currency Press, 1975
Buku Teks