Nasution, Anwar
Bank Indonesia , 2000
Buku Teks
by International Monetary Fund
International Monetary Fund, 1999
Buku Teks
U.S. National Committrr for Pacific Economic Corporation, 1994
Buku Teks
The Asia Foundation, 1997
Buku Teks
Melvi Yendra, editor
Kompas Gramedia, 2009
Buku Teks