Runkle, Gerald.
Holt, Rinehart and Winston, 1985
Buku Teks
Vreede, Frans, author
Oxford University Press, 1953
Buku Teks
Fisher, Alec, author
Erlangga, 2008
Buku Teks
Warner, Rex, 1905-1986, author
The New American Library, 1958
Buku Teks
Zeller, Eduard, 1814-1908, author
Meridian Books, 1960
Buku Teks