Troyer และผู้แต่งคนอื่นๆ. 2007. Dialogue in world English literatures : a comparison of parent-child conversations in short stories from three varieties of English. Field of Study English as an International Language, Chulalongkorn University;
Troyer และผู้แต่งคนอื่นๆ. (2007) Dialogue in world English literatures : a comparison of parent-child conversations in short stories from three varieties of English . Chulalongkorn University/Bangkok.
Troyer และผู้แต่งคนอื่นๆ. Dialogue in world English literatures : a comparison of parent-child conversations in short stories from three varieties of English. . Bangkok:Chulalongkorn University, 2007.
Troyer และผู้แต่งคนอื่นๆ. (2007) Dialogue in world English literatures : a comparison of parent-child conversations in short stories from three varieties of English . Chulalongkorn University/Bangkok.