WEN Bing. (2014) The Functional Type and Strategic Type of Defense Speech Act. <i>Journal of International Studies, Prince of Songkla University</i>, <i>4</i>(1), 163-176.WEN Bing. "The Functional Type and Strategic Type of Defense Speech Act". Journal of International Studies, Prince of Songkla University 4 (2014):163-176.WEN Bing. The Functional Type and Strategic Type of Defense Speech Act. Faculty of International Studies, Prince of Songkla University:ม.ป.ท. 2014.