Choudhry, Moorad
Butterworth-Heinemann, 2013
eBooks
edited by Niklas Wagner
CRC Press, Taylor & Francis Group, 2008
Buku Teks
Hedges, Roy
grolier International, 1997
Buku Teks
Bond, Cecil J.
McGraw-Hill, 1993
Buku Referensi
Sitompul, Riana Maretha Elisabeth
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2014
UI - Tesis Membership