@TechReport{CEPII:2012-17,
author={Jacques Melitz and Farid Toubal},
title={Native language, spoken language, translation and trade},
year=2012,
month=July,
institution={CEPII},
type={Working Papers},
url={http://www.cepii.fr/CEPII/fr/publications/wp/abstract.asp?NoDoc=4661},
number={2012-17},
}