Mady, Callie, and Stephanie Arnott. “Exploring the ‘Situation’ of Situational Willingness to Communicate: A Volunteer Youth Exchange Perspective”. Canadian Journal of Applied Linguistics, vol. 13, no. 2, May 2010, pp. 1–26, https://journals.lib.unb.ca/index.php/CJAL/article/view/19882.