http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
This book outlines Second language acquisition, the study of the way in which people learn a language other than either mother tongue. It is designed to make the essentials of this rapidly expanding area accessible to readers encoutering it for the first time.
language and languages - study and teaching - research - methodology