14. Intermediate spoken Chinese practice essentials: a wealth of activities to enhance your spoken Mandarin Kubler, Cornelius C., Clarendon, Vermont : Tuttle, 2013. IFYP004
15. Reading and writing Chinese: a comprehensive guide to the Chinese writing system McNaughton, William, 1933- Tokyo ; Tuttle, [2013] IFYP004 View full-text via ProQuest Ebook Central
20. 100 putonghua situations: practical Chinese conversations = 普通话情景会话100 Wang, Peggy. Hong Kong : Commercial Press, [2006] IFYP004
