An Assessment of various aproaches for countering corruption in poor economies
 Artikel Jurnal
Nabokov, Vladimir
Speak, memory
Everyman's Library, 1999
 Buku Teks SO
Liaw, Yock Fang, 1936-
Speak Indonesian
1990
 Buku Teks
The people speak
Macmillan Publishing Company, 1973
 Buku Teks SO
Clarke, Marcus
Stories
Hale & Iremonger, c1983
 Buku Teks SO