Brian W. Szuster และ John Dietrich. (2014) Small Island Tourism Development Plan Implementation: The Case of Koh Tao, Thailand. <i>EnvironmentAsia</i>, <i>7</i>(2), p124-132.Brian W. Szuster และ John Dietrich. "Small Island Tourism Development Plan Implementation: The Case of Koh Tao, Thailand". EnvironmentAsia 7 (2014):p124-132.Brian W. Szuster และ John Dietrich. Small Island Tourism Development Plan Implementation: The Case of Koh Tao, Thailand. Thai Society of Higher Education Institutes on Environment:ม.ป.ท. 2014.