Business Report
2010
Majalah, Jurnal, Buletin
Siswanto Sutojo
Komunikasi bisnis yang efektif
Damar Mulia Pustaka, 2003
Buku Teks
DLSU Business & economics review
Philippines : De La Salle University Manila, 2008,
Majalah, Jurnal, Buletin
Soekartawi
Prinsip dasar komunikasi pertanian
UI-Press, 1988
Buku Teks
Doing business in Japan: an insider's guide / general editor, Jane Withey
Prentice-Hall, 1994
Buku Teks