Martin Slama
Indonesian hadhramis and the hadhramaut: an old diaspora and its new connections
Jurnal Antropologi Indonesia, 2005
 Artikel Jurnal
Wayland, Robert E
Customer connections: new strategies for growth/Robert E.Wayland & Paul M. Cole
Harvard Business School Press, 1997
 Buku Teks
Horne, Alistair
Return to power : a report on the new Germany
Praeger, 1956.
 Buku Teks
Kuczmarski, Thomas D.
Managing new products: the power of Innovation
Prentice-Hall International, 1992
 Buku Teks
Hannerz, Ulf
Transnational connections
Routledge, 1996
 Buku Teks