Migge, Bettina and Isabelle Léglise. Exploring Language in a Multilingual Context: Variation, Interaction and Ideology in Language Documentation. New York: Cambridge University Press, 2012. Accessed, August 29, 2023. https://search-ebscohost-com.proxy.library.upenn.edu/login.aspx?direct=true&db=e000xna&AN=494785&site=ehost-live.