Thompson, Laurence C. and M. Terry Thompson. 1980. "Thompson Salish //-xi//." In International Journal of American Linguistics, 46: 27-32. University of Chicago Press.
Gerdts, Donna B. and Thomas Hukari. 2005. "Multiple Antipassives in Halkomelem Salish." In Proceedings of the Annual Meeting of the Berkeley Linguistics Society, 26: 51-62.
Craig, Colette G. and Ken Hale. 1988. "Relational Preverbs in Some Languages of the Americas: Typological and Historical Perspectives." In Language, 64: 312-343.
