Waralak Saeueng และผู้แต่งคนอื่นๆ. (2007) A comparative study of Chinese and Thai idiomatic expressions as related to birds. Chulalongkorn University:ม.ป.ท.Waralak Saeueng และผู้แต่งคนอื่นๆ. 2007. A comparative study of Chinese and Thai idiomatic expressions as related to birds. ม.ป.ท.:Chulalongkorn University;Waralak Saeueng และผู้แต่งคนอื่นๆ. A comparative study of Chinese and Thai idiomatic expressions as related to birds. ม.ป.ท.:Chulalongkorn University, 2007. Print.