Christensen, Benedicte Vibe, author
International Monetary Fund , 1986
Buku Teks
Berger, Bernhard, author
Thoson Reuters, 2010
Buku Teks
Nanzan University, 2007
Majalah, Jurnal, Buletin
edited by Mehdi Snene
Springer, 2012
eBooks
edited by Tobias Kuhn, Norbert E. Fuchs
Springer-Verlag, 2012
eBooks