http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Four-skills American English course with a communicative methodology, engaging texts, and a strong pronunciation syllabus - designed to get students speaking.
Clive Oxenden , Christina Latham-Koenig, Paul Seligson with Lindsay Clandfield.