Easton, David, author
Prentice-Hall, 1965
Buku Teks
Tu, Xuxuan
uoli Pianyiguan Chuban : Zhengzhong Fahang, 1992
Buku Teks
Plamenatz, John
Longman Press, 1992
Buku Teks
Plamenatz, John
Longmen Press, 1993
Buku Teks
Keller, Suzanne, author
RajaGrafindo Persada, 1984
Buku Teks