Lutz, John, author
Waveland Press, 2005
Buku Teks
Stein, Donald G., author
Macmillan, 1974
Buku Teks
Zhu, Ling, compiler
New World Press, 2008
Buku Teks
edited by Daniel Reisberg and Paula Hertel
Oxford University Press, 2004
Buku Teks
Fredy S., author
[Publisher not identified], [Date of publication not identified]
Buku Teks