http://www.ehow.com/how_17589_appropriate-business-language.html

http://www.eslgold.com/business/useful_expressions.html

http://en.wikipedia.org/wiki/Universal_Business_Language

http://www.better-english.com/vocabulary.htm

http://docs.oasis-open.org/ubl/cd-UBL-1.0/

http://www.ble101.com/

http://business-language.com/

http://business-languages.org/

http://www.voice-ergonomics.com/businesslanguage.htm

http://conferences.dce.ufl.edu/ciber/