Bibliography

Bibliography of Vitality:
Van Gysel, Jens L. 2017. Temporal Predicative Particles in Sanapaná and the Enlhet-Enenlhet Language Family (Paraguay): a Descriptive and Comparative Study. Leiden University MA thesis.
Bibliography of Locations:
2005. "The World Atlas of Language Structures." edited by Bernard Comrie et al. Oxford University Press.
Bibliography of Context:
Lewis, M. Paul (ed.). 2009. Ethnologue: Languages of the World, 16 edn. http://www.ethnologue.com/home.asp. (15 February, 2011.)