Duangkamon Mongkhonlarpcharoen และ Sasarux Petcherdchoo. (2007) Pedagogical grammar of Chinese pivotal sentences for Thai university students. Chulalongkorn University:ม.ป.ท.Duangkamon Mongkhonlarpcharoen และ Sasarux Petcherdchoo. 2007. Pedagogical grammar of Chinese pivotal sentences for Thai university students. ม.ป.ท.:Chulalongkorn University;Duangkamon Mongkhonlarpcharoen และ Sasarux Petcherdchoo. Pedagogical grammar of Chinese pivotal sentences for Thai university students. ม.ป.ท.:Chulalongkorn University, 2007. Print.