Miao, Q., & Liang, X. (2009). 长城汉语 : 生存交际课本 = Great wall Chinese: Essentials in communication textbook. 4. Beijing yu yan da xue chu ban she ;Beijing Language and Culture University Press.

Miao, Qiang, and Xiao Liang. 长城汉语 : 生存交际课本 = Great Wall Chinese: Essentials in Communication Textbook. 4. Beijing Shi: Beijing yu yan da xue chu ban she ;Beijing Language and Culture University Press, 2009.

Miao, Qiang, and Xiao Liang. 长城汉语 : 生存交际课本 = Great Wall Chinese: Essentials in Communication Textbook. 4. Beijing yu yan da xue chu ban she ;Beijing Language and Culture University Press, 2009.